This is the man____the police believed was the driver of 填 who whom whose which

问题描述:

This is the man____the police believed was the driver of 填 who whom whose which

whom应该是

This is the man (whom) the police believed was the driver of

宾语whom

who(作定语从句中的主语)

man在后面那个句子里充当宾语,所以选whom

whom
作为后面从句的宾语