Easy one .........mammal bones

[gmatgoal]

Scientists claim that the discovery of the first authenticated mammal bones in amber could provide important clues of determining, in addition to how, when mammals colonized the islands of the West Indies.

A. of determining, in addition to how, when mammals colonized the islands of the West Indies
B. in the determination of how and when the islands of the West Indies were
colonized by mammals
C. to determine how mammals colonized the islands of the West Indies and when they did
D. for determining when the islands of the West Indies were colonized by mammals and how they were
E. for determining how and when mammals colonized the islands of the West Indies

Official Answer

SPOILER: D

I was not sure if the idiom is
clue to determine
Vs
clue for determining

[jonnysunn]

in D: i see a problem with "they"... not clear referece (mammals vs. islands)

[gmatgoal]

My bad Official Answer is

SPOILER: E

[gmatguru]

D is clearly wrong.. as johnysunn says

[celesking]

I often see the following:
'clue to [noun]' &
'clue for [verb]ing'. E is simple and straight forward.

[meghago]

Imho E.

[DJValentino]

E is correct.

[surya167]

To Determine is a correct idiom isnt it ??

[LegoLife]

My answer is E.

A. of determining, in addition to how, when mammals colonized the islands of the West Indies
B. in the determination of how and when the islands of the West Indies were
colonized by mammals
C. to determine how mammals colonized the islands of the West Indies and when they did
D. for determining when the islands of the West Indies were colonized by mammals and how they were
E. for determining how and when mammals colonized the islands of the West Indies

[catchamogh]

Imo E...