The answer is A.
It uses the correct verb "have" and the present perfect tense since the action continues into tthe present.
Please post the Official Answer.

As of this morning, none of my friends have been able to solve the puzzle contained in last week's newspaper.
(A) none of my friends have been able to solve
(B) none of my friends was able to solve
(C) not one of my friends has yet been able to solve
(D) none of my friends has been able to solve
(E) nobody among my friends have solved
Cheers




imoA
As of this morning, none of my friends have been able to solve the puzzle contained in last week's newspaper.
(A) none of my friends have been able to solve
(B) none of my friends was able to solve
(C) not one of my friends has yet been able to solve
(D) none of my friends has been able to solve
(E) nobody among my friends have solved
Just to add...
For SANAM pronouns - Look at the object of the "OF" construction to determine the "number" of subject i.e. singular or plural
e.g.
Some of the money was stolen from my wallet. ("money" - singular noun requires "was" - Singular Verb)
Some of the documents were stolen from the bank. ("documents" - plural noun requires "were" - plural verb)
S-Some
A-Any
N-None
A-All
M-Most
In this case:
As of this morning, none of my friends have been able to solve the puzzle contained in last week's newspaper.
"friends" is plural noun hence usage of "have" is correct.

Thank you for your answer guys!
I agree with all of you "A".
However, the answer is "D" This question is from KAPLAN GMAT 800, which I just bought yesterday.
Here is its explanation:
None is singular (like every or everyone) and have been is plural. Singular subjects need singular verbs, so we can immediately eliminate (A) and (E). As for (B), Has been beats was. Even though they're both singular, there is no valid reason to replace the original verb. Has been is in the perfect tense and, as such, describes an action that began in the past and continues into the present. The beginning of the sentence (As of this morning) indicates that we're dealing with this sort of situation: the friends have been working on the puzzle, still seem top be working on the puzzle, and are not able to solve it. Was describes an action that took place entirely in the past and therefore is inappropriate considering the beginning of the sentence. So much for (B). As for (C), there's nothing wrong with None that would requires its substitution with Not one (and none is an elision of not one anyway). That leaves (D).
From Manhattan SC, its states that "SANAM" pronouns need to be agree with object after "of", as skarya mentioned.
Who should we believe "Manhattan" or "Kaplan"? or Are there any exceptions about the use of "SANAM" words?
Need Gurus here!



I agree with you, we need Bob/Erin to educate us, especially after digging more on "none" usage at http://dictionary.reference.com/browse/none
Usage Note: It is widely asserted that none is equivalent to no one, and hence requires a singular verb and singular pronoun: None of the prisoners was given his soup. It is true that none is etymologically derived from the Old English wordn, “one,” but the word has been used as both a singular and a plural noun from Old English onward. The plural usage appears in the King James Bible as well as the works of John Dryden and Edmund Burke and is widespread in the works of respectable writers today. Of course, the singular usage is perfectly acceptable. The choice between a singular or plural verb depends on the desired effect. Both options are acceptable in this sentence: None of the conspirators has (or have) been brought to trial. When none is modified by almost, however, it is difficult to avoid treating the word as a plural: Almost none of the officials were (not was) interviewed by the committee. None can only be plural in its use in sentences such as None but his most loyal supporters believe (not believes) his story.
....
another input - http://www.sentencecorrection.com/fo...+of+my+friends
Last edited by skarya; 11-12-2006 at 02:14 AM.


What a question to begin test magic with??
I agree that both A and D are the correct answer. Thanks Skarya and Aimhighest for thy post
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