—My uncle suggests I ________ abroad.

—I would rather you ________ at home.

A．go; stay

B．went; stayed

C．go; stayed

D．went; stay

直接引起左心后负荷加重的瓣膜病变为（）

A.二尖瓣狭窄

B.主动脉瓣关闭不全

C.主动脉瓣狭窄

D.二尖瓣关闭不全

E.以上都不是