单项选择题

A.60%~70%,20%~25%,10%~15%
B.60%~70%,10%~15%,20%~25%
C.40%~50%,20%~25%,30%~35%
D.40%~50%,30%~35%,20%~25%
E.30%~40%,20%~25%,40%~45%