单项选择题
A.90% B.95% C.98% D.100%
A.应收电费金额/实收电费金额*100% B.实收电费金额/应收电费金额*100% C.应收户数/实收户数*100% D.实收户数/应收户数*100%
A.0.75 B.0.80 C.0.85 D.0.90