I know the young man in green jacket brother is my good friend.A. thatB. whoC. whoseD. who

问题补充：

I know the young man in green jacket brother is my good friend.

A. that

B. who

C. whose

D. whom

答案：

A. that

B. who

(答案→)C. whose

D. whom

解析：句意:我知道那个穿绿色夹克衫的男士，他的哥哥是我的好朋友。句中whose brother is my good friend 是一个定语从句，whose 意为…的，其先行词为the young man，根据句意可知the young man’s brother 是我的好朋友，故用whose 来引导定语从句。故选C。that, who 和whom 引导定语从句时都可以指人，但是没有……的这个意思。