I have many friends someare businessmen.A. of themB. from whichC. who ofD. of whom

问题补充：

I have many friends, someare businessmen.

A. of them

B. from which

C. who of

D. of whom

答案：

A. of them

B. from which

C. who of

(答案→)D. of whom

解析：考查定语从句。本题定语从句的先行词是many friends，定语从句中的whom指代先行词做介词of的宾语。句子的of表示所属的关系。句意：我们有很多的朋友，他们中的一些是商人。故D正确。