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C
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
55%
(hard)
Question Stats:
46% (01:09) correct
54%
(01:12)
wrong
based on 303
sessions
History
Date
Time
Result
Not Attempted Yet
In contrast to older automobiles that primarily used steel for its durability and cost, carmakers are now turning to aluminum to meet new fuel efficiency standards, remaining competitive in the ever-changing market.
A. carmakers are now turning to aluminum to meet new fuel efficiency standards, remaining
B. aluminum is now being used by carmakers to meet new fuel efficiency standards, thereby remaining
C. newer automobiles are now using aluminum to meet new fuel efficiency standards and remain
D. newer automobiles are now using aluminum to meet new fuel efficiency standards, remaining
E. new fuel efficiency standards have forced carmakers to turn to aluminum and remain
A. carmakers are now turning to aluminum to meet new fuel efficiency standards, remaining
B. aluminum is now being used by carmakers to meet new fuel efficiency standards, thereby remaining
C. newer automobiles are now using aluminum to meet new fuel efficiency standards and remain
D. newer automobiles are now using aluminum to meet new fuel efficiency standards, remaining
E. new fuel efficiency standards have forced carmakers to turn to aluminum and remain
Official answer is C. But can anyone help me in understanding why D cannot be the answer.
09 Nov 2020, 10:51
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minns
Hello, minns. The source of the question is either dubious or a transcription error has occurred. To draw a proper automobiles-to-automobiles comparison, only (C) and (D) can be in the running. Choice (C), by using and without a comma, is placing two elements in parallel. The problem is, those two elements are not, in fact, parallel.
(C) newer automobiles are now using should be parallel to
[newer automobiles] remain competitive
Meanwhile, choice (D) opts for a participial phrase after the comma, allowing the -ing phrase to comment on the entire previous clause, as though there were an explanatory thereby at the head of the phrase.
(D) newer automobiles are now using aluminum to meet new fuel efficiency standards, [thereby] remaining competitive...
Choice (D) makes perfect sense, while (C) is questionable. Beware of random sources of questions, particularly if those questions are not official (published by GMAC™). It is not as though you cannot learn anything from them, but they may prove more trouble than they are worth.
Good luck with your studies.
- Andrew
General Discussion
09 Nov 2020, 06:50
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minns
Same, what is the source for this?
