单项选择题
A.Ⅰ、Ⅱ、Ⅲ、Ⅳ和ⅤB.Ⅱ、Ⅲ、Ⅳ、Ⅴ和ⅥC.Ⅰ、Ⅲ、Ⅳ、Ⅴ和ⅥD.Ⅰ、Ⅱ、Ⅳ和Ⅵ
A.Ⅰ、Ⅱ和ⅣB.Ⅱ、Ⅲ和ⅣC.Ⅰ、Ⅱ和ⅢD.Ⅰ、Ⅲ和Ⅳ
A.Ⅰ、Ⅱ和ⅢB.Ⅰ、Ⅱ和ⅣC.Ⅰ、Ⅲ和ⅣD.Ⅱ、Ⅲ和Ⅳ