A.30% B.50% C.64% D.80%
A.1-2天 B.2-3天 C.4-5天 D.5-6天
A.8.0%,8.9%,14.3% B.2.0%,8.9%,14.3% C.8.0%,2.0%,14.3% D.8.0%,8.9%,30.3%