— What do you think of our new school?

— ___________

A．It’s very well.

B．It’s very good.

C．No. I don’t like it at all.

D．The same to you.

单纯乳突切开术的治疗目的为（）。

A.修补鼓膜

B.重建听骨链

C.恢复咽鼓管功能

D.清除鼓室腔内病变

E.清除鼓窦，鼓窦入口及乳突气房的病变组织