男，36岁，有风湿性心瓣膜病多年，体检：心尖部有舒张期雷鸣样杂音与3/6级收缩期吹风样杂音，颈静脉怒张，肝肋下2cm，胸片示左房、左室大，最可能的诊断是（）。

A.二尖瓣狭窄合并关闭不全

B.二尖瓣狭窄合并相对性三尖瓣关闭不全

C.二尖瓣狭窄合并器质性三尖瓣关闭不全

D.二尖瓣狭窄合并主动脉瓣狭窄

E.主动脉瓣关闭不全合并二尖瓣关闭不全

We've just moved in to a bigger house and there's lot to do. Let's（）it.

A. keep up with

B. do away with

C. get down to

D. look forward to