这句话里面的that可以改成who吗?为什么?

网友回答

不知问哪个句子,但我想给你以下可以用that来代替who的情况.
一,在定语从句中.如
The woman that / who /whom my mother is talking to is our teacher.
二,在强调句中,被强调的部分是人的时候.如
It was Mr Li that / who helped us last time.