— Why can’t I smoke here?

— At no time ____ in the meeting room.

A. is smoking permitted                     B. smoking is permitted 

C. does smoking permit                     D. smoking does permit

A


解析:

答句中否定介詞短語at no time位于句首，表明了句子的主謂結(jié)構(gòu)應(yīng)采用部分倒裝的形式，即將句中的助動詞調(diào)至主語之前。根據(jù)句子意思該句為被動語態(tài)，排除選項B、C、D。

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