单项选择题
A.1.47,4.80% B.1.47,7.49% C.1.70,4.80% D.1.70,7.39%
A.协商 B.调解 C.仲裁 D.质证
A.4.78,6.66 B.4.78,5.77 C.5.14,7.72 D.5.14,6.69