A.81.9% B.73.6% C.67.3% D.65.9%
A.27% B.29% C.36% D.41%
A.只有I B.只有Ⅱ C.只有Ⅲ D.Ⅱ和Ⅲ
A.9.48% B.8.48% C.9.88% D.8.88%