sanyalpritish wrote:With its abundance of noun inflections, Icelandic is one of several Germanic languages that is compact when written but can lengthen considerably when translated into English.

Subject verb agreement is checked .

(A) is compact when written but can lengthen considerably when translated into English
[When compared with C this better and concise , Correct.]
(B) are compact when they are written, but they can lengthen considerably when they are translated in English
[Singular subject Icelandic needs singular verb IS and not ARE , eliminate]
(C) is compact when written but can lengthen considerably when being translated into English
[BEING = present continuous form of verb TO BE is wordy here , eliminate]
(D) are compact when written but can lengthen considerably in English translation
[Singular subject Icelandic needs singular verb IS and not ARE , eliminate]
(E) is compact when it is written but can lengthen considerably when translated in English