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.