---Whoknockedthedoor? ---I’venoidea.Ijustpretendednobo...

问题详情：

 --- Who knocked the door?

 --- I’ve no idea. I just pretended nobody was at home, so I didn’t ask who ______ was.

   A. he            B. she            C. it             D. that

【回答】

C

知识点：代词

题型：选择题