手外伤后常用的神经电生理检查不包括（）。

A.肌电图

B.时值测定

C.神经、肌肉活检

D.神经传导速度检查

E.强度-时间曲线检查

Whenever I ask him for help, he doesn’t      me, which moves me a lot.

A．hesitate helping

B．hesitate to help

C．bend down to help

D．doubt to help