下列哪一种表现提示中枢性呼吸衰竭（）
A.明显呼吸困难
B.胸式呼吸或腹式呼吸减弱
C.呼吸先快后慢，但节律始终整齐
D.节律不齐
E.发绀
参考答案：D
Speaker A: I think I'm coming down with something. Speaker B:______
A．You shouldn't tell me, you should tell the doctor.
B．Maybe you'd better see a doctor.
C．When did you come down with a cold
D．Don't worry. Everything will be all right.
