英语语法难题 I have sent my resume to more than 100 companies,_____ have replies.a.of

题目

英语语法难题 I have sent my resume to more than 100 companies,_____ have replies.a.of
I have sent my resume to more than 100 companies,_____ have replies.a.of whom only ten of those b.of whom only ten b.only ten of those who d.only ten who
选什么?具体原因,

答案

B
A of those和of which有重复
C 导致句子结构不完整
D 也是导致句子结果不完整