男性患者，16岁，查体胸骨左缘第3、4肋间触及收缩期震颤，该患者的诊断是

A．室间隔缺损
B．肺动脉瓣狭窄
C．主动脉瓣狭窄
D．二尖瓣狭窄
E．二尖瓣关闭不全

22．I’m terribly sorry to turn you down this time, but I promise I will ________ to you next time.

A．pick it up　　

B．make it up

C．turn it up　　　

D．set it up