– is your friend ? – Maria.A. WhatB. WhereC. WhoD. How

问题补充：

– is your friend ? – Maria.

A. What

B. Where

C. Who

D. How

答案：

A. What

B. Where

C. Who

D. How

解析：句意：谁是你的朋友？玛丽亚。What什么；where哪里；who谁；how怎么。根据答语Maria可知前面是对人提问，故选C。