题目内容:
She brought with her three friends, none of _________ I had ever met before.
A.them
B.who
C.whom
D.these
参考答案:【答案仅供学习,请勿对照自行用药等】
She brought with her three friends, none of _________ I had ever met before.
A.them
B.who
C.whom
D.these