Use of that

[Guest]

Q. With its abundance of noun inflections, icelandic is one of several languages that _is compact when written but can lengthen considerably when translated into english_.
A.)
B.) are compact when they are written, but they can lengthen considerably when they are translated in english
C.)is compact when written but can lengthen considerably when being translated into english
D.)are compact when written but can lengthen considerably in english translation.
E.)is compact when it is written but can lengthen considerably when translated in english.
ans : D

here, how to determine what 'that' refers to in such a question ??
it can be icelandic or languages
por favor, el señor help
which rule is applicable here..

[atse]

'That' refers to 'icelandic' because 'of several languages' is a prepositional phrase. You can think of prepositional phrases as an extra description. In other words, the sentence makes sense with or without it.

Hope that helps!