单项选择题
A.≤15.00% B.大于15.00%~19.00% C.大于19.00%~24.00% D.大于24.00%~25.00%
A.≤15.00% B.15.00%~19.00% C.19.00%~24.00% D.24.00%~25.00%
A.2.0% B.3.0% C.4.0% D.5.0%