一woman is Tom’s mother?一The one in the red coat．A. WhatB. WhichC. WhoD. Whose

问题补充：

．一woman is Tom’s mother?

一The one in the red coat．

A. What

B. Which

C. Who

D. Whose

答案：

A. What

(答案→)B. Which

C. Who

D. Whose

解析：本句回答语的含义为穿着红色外套的那个女的，询问事物的类别用疑问词which，意思为哪一个女的是汤姆的母亲，故本题选B。