【題目】After he consulted with his professor，an idea was beginning to____________ in his mind.

A.pay offB.take shape

C.work outD.make up

【答案】B

【解析】

考查動(dòng)詞短語。 句意：在咨詢教授之后，一個(gè)想法在他腦海里成形了。A. pay off還清，取得回報(bào)；B. take shape成形；C. work out算出；D. make up組成。根據(jù)句意可知，一個(gè)想法成形，故選B。

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