单项选择题
A.0.2%~0.8% B.0.2%~1.0% C.0.25%~1.5% D.1.0%~3.0%
A.1115.56 B.1111.28 C.1015.56 D.1010.72
A.12.55% B.12.68% C.14.75% D.15.01%