题目内容：

Can you guess _____?A.what is that man B who that man is C.whom that man is D who is that man

优质解答

who that man is
定语从句用陈述句语序 who在从句中为主语

追问：

难道那不是一个宾语从句吗？whom 作表语不可以吗？我认为是一个宾语从句。定语从句先行词是哪个呀？谢谢解答！