问题补充：
----Can you tell me?
----She is palying the guitar.
A. what is she doing
B. what she is doing
C. what does she do
D. what she does
答案：
A. what is she doing
(答案→)B. what she is doing
C. what does she do
D. what she does
解析：句意：你能告诉我她正在做什么吗？她正在弹吉他。根据句意与语境，句子用现在进行时态，宾语从句中句子用陈述句的语序，故选B
