问题
选择题
They didn't find the name of the boy in the list, ________， of course, made them very disappointed.
A．that
B．who
C．which
D．whose
答案
答案：C
C 定语从句的先行词是前面一个句子，而不是the boy，并且从句中谓语动词made没有主语，所以选择关系代词which, A项不能引导非限制性定语从句。
