Often major economic shifts are

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Often major economic shifts are

by aspirant2011 » Mon Jul 18, 2011 8:35 am
Often major economic shifts are so gradual as to be indistinguishable at first from ordinary fluctuations in the financial markets.

(A) so gradual as to be indistinguishable
(B) so gradual so that they can be indistinguishable
(C) so gradual that they are unable to be distinguished
(D) gradual enough not to be distinguishable
(E) gradual enough so that one cannot distinguish them

[spoiler]OA: Why is exactly C wrong????[/spoiler]

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by Target2009 » Mon Jul 18, 2011 8:52 am
C is not grammatically incorrect. A is more concise so Select A.

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by sandeeptalla450 » Mon Jul 18, 2011 12:26 pm
Its idiomatic usage. So...as...
Only 'A' has got it.

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by dodgeforgmat » Mon Jul 18, 2011 8:26 pm
C is incorrect because of '...THEY...'. What does THEY refer to?. We do not know who 'THEY' are.

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by aspirant2011 » Tue Jul 19, 2011 6:54 am
dodgeforgmat wrote:C is incorrect because of '...THEY...'. What does THEY refer to?. We do not know who 'THEY' are.
I think they refer to economic shifts and therefore, I don't think there is an ambiguity........