单项选择题

A.3.5g2.5g1.5g20.0g
B.0.35g0.25g0.15g2.Og
C.O.3g2.0gO.15g2.0g
D.O.9g0.4g1.5g10.Og
E.O.45g0.5gO.35g5.Og