Question

There was a knock at the door. It was the second time someone _______ me that evening.

1. A.
   had interrupted
2. B.
   would have interrupted
3. C.
   to have intrrupted
4. D.
   to intrrupt

Answer 1

A
在“It was the first time (that)…”结构中，that分句中的谓语动词用常用完成时。