--- I’d like to quit my job and start my own business.

-- You don’t have a good knowledge of the market． _________

A．Better play it safe

B．I can’t agree more

C．Sounds great

D．Good luck

声音的感受细胞位于

A．内耳基底膜上

B．鼓膜上

C．半规管膜上

D．卵圆窗上

E．圆窗上