题目内容：

--Do you know everybody___came to zhe party?--I don't know the one ___you talked with.
A who;/ B whose;that C that;which D /;whom 选哪个?为什么?

优质解答

A 问句需要一个定语从句引导词,因为被修饰的是人,所以用 who 回答需要一个定语从句引导词,但因为引导词在定语从句中做宾语,所以被省略.