-When did he get his first novel published?-It was in he was still in high s

问题补充：

--- -When did he get his first novel published?

---- It was in he was still in high school.

A. that

B. since

C. when

D. which

答案：

A. that

B. since

(答案→)C. when

D. which

解析：考查定语从句。句意：什么时候他让他的第一部小说出版的？就是在他仍然在中学的时候。所以选when，指前面的先行词。