It suddenly _____ him that he had taken the wrong bus.

A. happened to B. devoted to

C. appealed to D. occurred to

D

【解析】

試題分析：考查動詞短語和固定句型辨析。句意：他突然想起他上錯了公共汽車。A碰巧做某事；B致力于；C對。。。有吸引力；D發(fā)生，根據(jù)固定句型：It occurred to sb that ….某人突然想起。。。，故選B。

考點：考查介詞短語辨析

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