— Do you have a plan for May Day holiday?___  

— I'm going to Thailand with my parents!   [ ]

A. You don't say!        

B. You can say that again.  

C. Good luck to you.    

D. I dare say.

Corti器位于（）。

A.前庭膜

B.基底膜

C.耳石膜

D.螺旋韧带

E.蜗窗膜