Tom:I don't think you two know each other.

问题描述:

Tom:I don't think you two know each other.
Tom I don't think you two know each other .
______is Mary and ______ is Mike.
Mary and Mike:Nice to meet you .
A:she,he B:He,she C:This,that D:This,this

D
翻译:汤姆,我想你们还不认识对方.
这位是玛丽,这位是迈克.
THIS IS somebody用于介绍,是一种语言习惯.