—I am going to travel to European countries. Would you consider telling me about your experiences there？

—______.Let’s discuss it over dinner.

A．That’s all right

B．By all means

C．Go ahead

D．It just depends

一旦发生全脊髓麻醉时，应立即采取的措施是（）。

A.加快输液

B.继续观察，鼻饲输氧

C.进行人工呼吸和有效维持循环

D.立即改为全麻

E.暂停手术