—I don’t know what I _______ without the suitcase you lent me.

—Glad to have been of some help to you.

A．would have done

B．would do

C．should have done

D．should do

吸入麻醉药中增强非去极化肌松药作用最强的是（）。

A.氧化亚氮

B.异氟烷（异氟醚）

C.恩氟烷（安氟醚）

D.氟烷

E.地氟烷（地氟醚）