单项选择题

A.5级水泥470kg,中砂0.682t,碎石1.176t,水0.21m3;水泥预算价0.28元/kg,中砂38.00元/t,碎石27.80元/t,水2.80元/m3,该1m3混凝土的材料预算价为(
B.190.21
C.190.80
D.280.00