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21 Jan 2022, 07:00
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A
Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
25%
(medium)
Question Stats:
59% (00:46) correct
41%
(00:59)
wrong
based on 79
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Not Attempted Yet
Diabetes, a disease in which the body does not produce or properly use insulin, continues to frustrate researchers seeking the cause of the ailment.
A. continues to frustrate researchers seeking
B. continue to frustrate researchers who seek
C. has continued to frustrate researchers who are seeking
D. are continuing to be frustrating to researchers seeking
E. have continued to frustrate those researchers who seek
A. continues to frustrate researchers seeking
B. continue to frustrate researchers who seek
C. has continued to frustrate researchers who are seeking
D. are continuing to be frustrating to researchers seeking
E. have continued to frustrate those researchers who seek
GMATist1
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22 Jan 2022, 09:13
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Bunuel
Diabetes is a singular noun.
(The non-underlined portion " a disease" confirms the above)
Eliminating B, D, E
A vs C
researchers seeking vs researchers who are seeking ---> Both seem fine
continues vs has continued
IMO, A
Can someone please explain the subtle difference b/w Present and Present Perfect for an action that started in the past and is still continuing?
In (C) "has continued" itself means that the action started in the past and is still continuing - an which can be represented by Present Perfect
On the other hand, the statement " Diabetes .... continues ..." can be interpreted as a fact (i.e simple present)
Assuming (A) is the correct answer...
Would (C) be correct, if we reword it to show timeline like below?
Since the last 50 years, Diabetes........., has continued....
Thank you.
30 Jan 2022, 07:00
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Bunuel
OFFICIAL EXPLANATION
Answer: A.
The sentence is correct as written. Diabetes is a collective noun and is therefore singular, so choices with plural verbs are incorrect. This eliminates choices B, D, and E. Choice C is awkward and redundant.
