what is that?和who is that 的区别

问题描述:

what is that?和who is that 的区别
who is that 可以用来提问动物么?

一个问那是什么(指东西)
另一个是问那是谁.指人,区别很大who is that 可以用来提问动物么?不可以。。WHO 是代表人物动物的话用what