---What do you think of Jack?

---He is not a bad boy. ______, he’s a pretty good one.

A．If ever

B．If busy

C．If anything

D．If possible

不与延髓相连的脑神经有是（）

A.副神经

B.迷走神经

C.舌下神经

D.舌咽神经

E.三叉神经