诊断呼吸衰竭的血气标准是()
A. PaO2<8.6kPa(65mmHg)和(或)伴有PaCO2>7.3kPa(55mmHg)
B. PaO2<6.7kPa(50mmHg)和(或)伴有PaCO2>8.0kPa(60mmHg)
C. PaO2<8.0kPa(60mmHg)和(或)伴有PaCO2>7.3kPa(55mmHg)
D. PaO2<8.0kPa(60mmHg)和(或)伴有PaCO2>6.7kPa(50mmHg)
E. PaCO2<8.6kPa(65mmHg)和(或)伴有PaCO26.7kPa(50mmHg)