THE CORRECT ANSWER IS (C). THE ORIGINAL VERSION INCORRECTLY USES T...
10. The correct answer is (C). The original version incorrectly uses their instead of
they’re (they are). Choice (C) rephrases the idea in a clear manner. Choice (B) alters the
meaning of the original sentence. In choice (D), explain why the difference is not
idiomatic (why should be omitted). Choice (E) commits the same usage error as the
original version.