A.血PH降低，PaCO2降低，[HCO3-]降低
B.血PH降低，PaCO2增高，[HCO3-]增高
C.血PH升高，PaCO2降低，[HCO3-]降低
D.当PH升高，PaCO2增高，[HCO3-]增高
E.血PH降低，PaCO2增高，[HCO3-]降低