Do you know the woman ____is in red coat?A.which B.who C.where D.whom（解释下为什么,顺便举一个用whom的,
问题描述：
Do you know the woman ____is in red coat?
A.which B.who C.where D.whom（解释下为什么,顺便举一个用whom的,
答
Do you know the woman _B___is in red coat?
A.which B.who C.where D.whom（解释下为什么，顺便举一个用whom的，谢了哈）
who 作主语，whom,做宾语
答
B,定语从句中,引导词在从句中充当主语所以选择who,但是如果前面有介词则应用whom,比如说：Lily is my best friend with whom I spent my happy childhood.