A、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">Pa0<sub>2</sub></span><span style="font-size: 10.5pt; font-family: 宋体;">下降</span></p>
B、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">PaC0<sub>2</sub></span><span style="font-size: 10.5pt; font-family: 宋体;">升高</span></p>
C、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">Pa0<sub>2</sub></span><span style="font-size: 10.5pt; font-family: 宋体;">下降，<span lang="EN-US">PaCO<sub>2</sub></span>升高</span></p>
D、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">Pa0<sub>2</sub></span><span style="font-size: 10.5pt; font-family: 宋体;">正常，<span lang="EN-US">PaC0<sub>2</sub></span>升高</span></p>
E、<p><span lang="EN-US" style="font-size: 10.5pt; font-family: 宋体;">Pa0<sub>2</sub></span><span style="font-size: 10.5pt; font-family: 宋体;">下降，<span lang="EN-US">PaCO<sub>2</sub></span>正常</span></p>