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06 Oct 2020, 00:15
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B
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:
47% (01:02) correct
53%
(01:12)
wrong
based on 285
sessions
History
Date
Time
Result
Not Attempted Yet
Based on controlled experiments involving laboratory animals, any new drug which is proved to be a cause of cancer will subsequently be denied approval by the Food and Drug Administration.
(A) which is proved to be a cause of
(B) proven to cause
(C) that is proved to cause
(D) which proves that it causes
(E) proved to cause
(A) which is proved to be a cause of
(B) proven to cause
(C) that is proved to cause
(D) which proves that it causes
(E) proved to cause
Source: Master GMAT
12 Oct 2020, 07:57
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aash932
Official Explanation
There are two problems with the original version. First, is proved is an improper verb form (is proven is the correct present-perfect form). Also, be a cause of is wordy. Choice (B) corrects both problems. So does choice (D); however, the resulting sentence is nonsensical, suggesting that drugs (rather than researchers) do the proving.
The correct answer is (B).
There are two problems with the original version. First, is proved is an improper verb form (is proven is the correct present-perfect form). Also, be a cause of is wordy. Choice (B) corrects both problems. So does choice (D); however, the resulting sentence is nonsensical, suggesting that drugs (rather than researchers) do the proving.
The correct answer is (B).
