发绀伴颈静脉怒张（）.
A.大量气胸
B.法洛（Fallot）四联症
C.休克
D.缩窄性心包炎
E.贫血
参考答案：D
— Did you catch what I said?
— Sorry. I ________ a text message just now. [ ]
A. had answered
B. have answered
C. would answer
D. was answering
请说出医保医师职责？（至少说出3条）
