单项选择题
A.25.00% B.41.67% C.66.67% D.69.00% E.99.50%
A.99% B.98% C.97.83% D.97.33% E.93.88%
A.万分之1.0 B.万分之1.1 C.千分之1.0 D.百分之1.0 E.百分之1.1