A.血浆pH正常,HCO升高,PCO下降
B.血浆pH正常,HCO下降,PCO下降
C.血浆pH下降,HCO下降,PCO升高
D.血浆pH正常,HCO下降,PCO升高
E.血浆pH正常,HCO升高,PCO升高