-----woman is Tom’s mother?---The one in the red coatA. WhatB. WhichC. WhoD. Whose

问题补充：

-----woman is Tom’s mother?

-----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：句意：——哪一个女人是汤姆的母亲？——穿红大衣的那一个。 A. What 什么； B. Which 哪一个；C. Who 谁；D. Whose谁的。根据The one in the red coat．可知此处问的是哪一个女人。故选B。