—Is this hotel    are going to stay?

—Yes, it is.

A．where

B．which

C．in that

D．in which

具有调节中耳气压功能的结构是（）

A.咽鼓管

B.咽扁桃体

C.腭扁桃体

D.下鼻甲

E.咽侧索