A.Ⅰ+Ⅱ+Ⅳ B.Ⅰ+Ⅱ+Ⅴ C.Ⅱ+Ⅲ+Ⅳ D.Ⅱ+Ⅲ
A.5% B.3% C.2% D.1%
A.Ⅰ+Ⅲ+Ⅳ+Ⅴ B.Ⅰ+Ⅱ+Ⅴ C.Ⅰ+Ⅱ+Ⅲ+Ⅳ D.Ⅰ+Ⅱ+Ⅲ
A.Ⅰ+Ⅲ+Ⅳ B.Ⅰ+Ⅱ+Ⅴ C.Ⅱ+Ⅳ D.Ⅰ+Ⅱ
A.0.1%~0.2% B.0.2%~0.4% C.0.3%~0.6% D.0.4%~0.8%