—What are you looking for?
—I’m looking for the book you lent me yesterday.
- A.不填
- B.who
- C.when
- D.what
答案
正确答案:A
知识点:定语从句

本题考查定语从句中关系词的用法。先行词是the book,指物,且关系词在定语从句中作宾语,故可以用关系代词which或that,也可以省略。所以答案选A。

略
