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Renaissance sentence correction

Expert replies
by sirisha.g » Wed Aug 11, 2010 10:39 pm
During the Renaissance, scholars were uncertain as to the location of Troy, and by the eighteenth century many historians doubted that Troy had ever existed.

(A) doubted that Troy had ever existed
(B) doubt that Troy has ever existed
(C) were in doubt as to the existence of Troy
(D) were doubtful concerning Troy's existence
(E) had doubts about Troy's ever existing

Could someone explain why C is wrong.
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Source: — Sentence Correction |

by gmatmachoman » Thu Aug 12, 2010 12:14 am
Pick A.

Original sentence is correct as it's the verb tense (past perfect tense) properly incorporates the "time shift".
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by reply2spg » Thu Aug 12, 2010 12:05 pm
Though I choose D, I feel A is correct. I completely missed 'had' in A.

Since you have 'by the eighteenth century' you need 'had'. This concept is very well explained in e-gmat
sirisha.g wrote:During the Renaissance, scholars were uncertain as to the location of Troy, and by the eighteenth century many historians doubted that Troy had ever existed.

(A) doubted that Troy had ever existed
(B) doubt that Troy has ever existed
(C) were in doubt as to the existence of Troy
(D) were doubtful concerning Troy's existence
(E) had doubts about Troy's ever existing

Could someone explain why C is wrong.
Sudhanshu
(have lot of things to learn from all of you)
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by indiantiger » Thu Aug 12, 2010 2:23 pm
A , only logical choice
"Single Malt is better than Blended"
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