Question

【题目】--- ?

---They are listening to music.

A. What do they do B. What are they doing C. How do you do

Answer 1

【答案】B

【解析】根据回答可知问句在问“他们在干什么”且用现在进行时态，故本题答案为B。What do they do?是在询问他们的职业，How do you do?是见面打招呼的正式用语。句意：--他们在做什么？--他们在听音乐。