What are they doing? [ ]

A. She is singing.

B. He is crying.

C. They are talking.

诊断癫痫的首选辅助检查为（）

A.MRI

B.听觉脑干诱发电位

C.腰穿脑脊液检查

D.脑电图检查

E.头颅CT扫描