Question

“Jim,”Mr Li said，“_________ father used to be a teacher failed to pass the exam.”

1. A.
   who
2. B.
   what
3. C.
   whose
4. D.
   of whom

Answer 1

C
这是一个含有非限制性定语从句的主从复合句，Jim既作主语，又是其后定语从句所修饰的先行词.此空填关系代词whose既引导定语从句，又在从句中作定语修饰father.答案为C.