The following questions present a sentence, part of which or all of which is underlineD、Beneath the sentence, you will find five ways of phrasing the underlined part. The first of these repeats the original; the other four are different. If you think the original is best, choose the first answer; otherwise choose one of the others.
These questions test correctness and effectiveness of expression. In choosing your answer, follow the requirements of standard writtenEnglish; that is, pay attention to grammar, choice of words, and sentence construction.Choose the answer that produces the most effective sentence; this answer should be clear and exact, without awkwardness, ambiguity, redundancy, or grammatical error. The tango club, which appeared moribund five years ago, has picked up a new step; its numbers are now three times more than when the club president decided to bring in a live banD、 A、step; its numbers are now three times more than B、step; its numbers are now three times greater than C、step, their numbers now threefold that which they had been D、step; now with numbers three times greater than E、step, now with three times the number they had
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