This is the person I borrowed some money.A. whoB. from whomC. from whoD. from which

问题补充：

This is the person I borrowed some money.

A. who

B. from whom

C. from who

D. from which

答案：

A. who

(答案→)B. from whom

C. from who

D. from which

解析：定语从句中当先行词指人是一般用who和whom引导，当动词后有介词时，只能用whom，故选B。