– Do you know you ______to be here by 7:30 ?

--- Yes, I do.

A．are supposed

B．suppose

C．are supposing

D．supposed

右心导管检查可以出现Kussmaul征的疾病（）

A.严重二尖瓣关闭不全

B.严重肺动脉瓣狭窄

C.严重三尖瓣关闭不全

D.严重肺动脉瓣关闭不全

E.严重三尖瓣狭窄