A.Ⅰ B.Ⅱ C.Ⅰ~Ⅲ D.Ⅱ、Ⅲ
A.12nmile;3nmile B.12nmile;4nmile C.25nmile;3nmile D.25nmile;4nmile
A.1% B.0.1% C.0.75% D.0.5%