A.HCO-/HCO<20/1,原发性HCO↑
B.HCO-/HCO<20/1,原发性HCO↓
C.HCO-/HCO>20/1,原发性HCO↑
D.HCO-/HCO>20/1,原发性HCO↓
E.pH值一定降低