Jim passed the driving test, _____ surprised everybody in the office. [ ]

A. which

B. that

C. this

D. it

急性炎症性脱髓鞘性多发性神经病具有诊断意义的电生理检查是（）

A.感觉神经传导速度减慢

B.运动神经传导速度减慢

C.体感诱发电位异常

D.F波异常或H反射延迟

E.肌电图呈失神经改变