Question

【题目】—_______ is the young man?
—He is Kate's brother.
A.What
B.Who
C.What's
D.Who's

Answer 1

【答案】B
【解析】句意：——这个年青人是谁？——他是凯特的哥哥。What什么；Who谁；What's是什么；Who's是谁。根据He is Kate's brother.可知此处指的是人，故用疑问词who，故选B。