SubjectVerb agreement - Princeton test

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by GMATGuruNY » Tue Oct 19, 2010 7:13 pm
aimscore wrote:hi all,

This question has already been discussed in the BTG forum before, however I am yet to completely understand the soln.



Since John Locke acknowledged authorship of his political works only in a codicil to his will, the period during which the Second Treatise on Government was written has been established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, what is much more difficult to determine are the personal reason Locke wrote the Treatise, the changes he might have made to his first version, and the extent to which the published version coheres with Locke's intentions.

A
has been established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, what is much more difficult to determine are

B
has been established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, what is much more difficult to determine is

C
have been established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, what is much more difficult to determine is

D
have been established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, what is much more difficult to determine are

E
are established through a close analysis of Locke's reported activities near the time of publication; however, because no original manuscript has been found, that which is much more difficult to determine is
Quickest approach:

C and D say that the period (singular)...have been (plural). Eliminate C and D.

E says that the period (singular)...are (plural). Eliminate E.

In A, the pronoun what is given first a singular verb (is) and then a plural verb (are). A pronoun cannot be both singular and plural at the same time. We can't say what is X...are Y. Eliminate A.

The correct answer is B.
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