Sentence Correction

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.

(A) is compact when written but can lengthen considerably when translated into English
(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

OA D

I had some doubts between B and D. In D the connector "but" doesn't require the clauses to be parallel? On the other hand, B is wordy! Well, I thought that this question is tricky! What do you think?

Obviously the choice narrows down between B and D . To avoid redundancy, the adverb clause has been cut to clutter to adverbial phrase as both clauses got same subject, languages.
And, to show contrast between the compound predicate , we have used 'but'.

What's the source?

sallespadua 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.

(A) is compact when written but can lengthen considerably when translated into English
(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

OA D

I had some doubts between B and D. In D the connector "but" doesn't require the clauses to be parallel? On the other hand, B is wordy! Well, I thought that this question is tricky! What do you think?

B is wordy. "they" is not necessary here, used 3 times in the sentence

My guess is a 600 level question.

sallespadua 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.

(A) is compact when written but can lengthen considerably when translated into English
(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

OA D

I had some doubts between B and D. In D the connector "but" doesn't require the clauses to be parallel? On the other hand, B is wordy! Well, I thought that this question is tricky! What do you think?

My pick is D
Sahil's Note will take you B and D. B is wordy and ambiguous they.

Sahil's Note excerpt:
4) One of the: The pattern to remember is 'one of the NOUN (this noun will always be plural) + that/who + PLURAL VERB
Example : He is one of the persons who make money.
This is one of the cars that run on hydrogen.

Hope this helps...