Ⅱ型呼吸衰竭时

A、PaO_TagDownStart_2_TagDownEnd_ >60mmHg
B、PaCO_TagDownStart_2_TagDownEnd_\r\n>50mmHg
C、PaO_TagDownStart_2_TagDownEnd_\r\n>80mmHg
D、PaCO_TagDownStart_2_TagDownEnd_\r\n>50mmHg
E、PaO_TagDownStart_2_TagDownEnd_\r\n<80mmHg