Sentence Correction (SC) | Re: The Cluny Museum’s collection of medieval art, such as fifteenth-centu

Look at the text and the choice A. In the text, required is a past tense verb, while in choice A, the past tense turns a present tense ' 'requires'. This is a fatal flaw unlikely to be seen on the D-day.
The subject of the Choice D is the collection displayed by the Metropolitan Museum. The choice says that the Cluny's collection is much more impressive since the former collection (by Metropolitan museum) needed extra funds in order to compete and not to concede its status. This subtly changes
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