— He is in his bedroom.

A.WhereB.WhatC.Who

【答案】A

【解析】

由答语He is in his bedroom.“他在卧室里。”可知问句问的是地点，要用疑问词where来提问。where哪里，对地点提问；what什么，对事物提问；who谁，对人提问。故选A。