—Whom would you like to be your assistant, Jack or David? 

—If I had to choose, David would be ____choice.

A．good

B．better

C．the better

D．the best

根据所提供的图像，最可能的诊断是（）

A.胆囊癌

B.胆囊结石

C.胆囊息肉

D.胆囊炎

E.以上都不是