单项选择题

A.0.9%NaC180ml,5%NaHCO40ml
B.0.9%NaC180ml,l.8%NaHCO40ml
C.0.9%NaC180ml,10%CS40ml
D.0.9%NaC140ml,5%NaHCO80ml
E.0.9%NaC180ml,l.4%NaHCO40ml