单选题
No sooner______stepped out of the hall than it began to rain.
A. had we B. have we C. did we D. do we
【正确答案】
A
【答案解析】本题考查倒装，当表示否定含义的词“never，hardly，seldom，under no conditio11s，no sooner”等置于句首时要用部分倒装。以no sooner...than/hardly...when引起的从句中谓语若用一般过去时，主句谓语动词就用过去完成时。