单项选择题
A.385块 B.527.1块 C.529.1块 D.1017.5块
A.0.5工日/m2 B.0.98工日/m2 C.1.03工日/m2 D.1.25工日/m2
A.0.5工日/m2 B.0.67工日/m2 C.1工日/m2 D.1.5工日/m2