He isn't such a man ____he used to be.

问题描述:

He isn't such a man ____he used to be.
横线上应该用哪个词构成定语从句?
A who B whom C that D as

选D.首先as表示:如…一样,是…一样,其次such…as为固定搭配.这句话的意思是:他已经不是过去那样子的人了!