----Would you please help me with my spoken English?

----__________. First you should know practice makes perfect.

A．That’s right

B．No problem

C．Quite well

D．No, thanks.

腭帆张肌

A．作用为紧张腭帆，开大咽鼓管
B．使软腭上提，咽侧壁向内运动
C．下降腭帆，紧缩咽门
D．上提咽喉，向前牵引咽腭弓，使两侧咽腭弓接近
E．提悬雍垂