She brought with her three friends none of I had ever met before.A. themB. whoC. whomD. t

问题补充：

She brought with her three friends, none of I had ever met before.

A. them

B. who

C. whom

D. these

答案：

A. them

B. who

(答案→)C. whom

D. these

解析：考查定语从句中的非限制性定语从句。句意为：她带着她的三个朋友，他们三个中没有一个人我曾见过。表示“部分的词语+of+关系代词” 在非限制性定语从句指人只能用whom。