Pink clothes don’t suit her at all, yet she still likes to wear her pink overcoat. I think it’s absolutely a matter of her personal ________.

A．hobby

B．preference

C．habit

D．principle

下列哪种情况禁忌使用吗啡或度冷丁（）。

A.肺心病合并肺性脑病

B.肺水肿

C.肺结核小量咯血

D.肺癌

E.干性胸膜炎