A.100 B.200 C.95 D.25
A.0 B.1% C.2% D.3%
A.0.2S,2.0,0.2,0.2S B.0.2,2.0,0.2,0.2 C.0.5S,2.0,0.2,0.5S D.0.5,2.0,0.2,0.5。