— Mum!Alice has broken my CD player!

— ________After all, she couldn't have done it on purpose.   [ ]

A. What's the matter?  

B. It doesn't matter.

C. No trouble at all.  

D. How come?

一名醉酒的男子，醒来发现右手活动不灵活，神经系统检查显示这只手腕部背曲无力，他最可能损伤了

A．正中神经

B．桡神经

C．肌皮神经

D．肱桡神经

E．尺神经