-Can you believe I had to pay 30 dollars for a haircut?

-You should try the barber's ________ I go. It's only 15.[      ]

A．as  

B．which  

C．where  

D．that

为共鸣器官的是（）。

A.鼻腔

B.鼻窦

C.胸腔

D.口腔

E.咽腔