—is your mother ? —A nurse. She works in a hospital. A. WhichB. WhatC. HowD. Where

问题补充：

—is your mother ?

—A nurse. She works in a hospital.

A. Which

B. What

C. How

D. Where

答案：

A. Which

(答案→)B. What

C. How

D. Where

解析：句意：你妈妈是干什么的？护士，她在医院工作。对职业的提问用疑问词what；A 哪一个；C 怎么样；D 哪里。结合语境故选B。