Question

They knew nothing about ______ he was a thie

They knew nothing about ______ he was a thief. A．that B．which C．what D．the fact that

Answer 1

D

考查同位语从句。句意：他们关于他是一个小偷的事实什么也不知道。that后的从句解释前面的名词the fact，是同位语从句，所以选D。