问题补充:
got on the train when it began to move.
A. No sooner had I
B. I had no sooner
C. Hardly had I
D. I hardly had
答案:
A. No sooner had I
B. I had no sooner
(答案→)C. Hardly had I
D. I hardly had
解析:Hardly…when…/No sooner…than…句型表示“刚一……就……”,位于句首主句采用部分倒装语序。