单项选择题
A.mƒcu≥1.10ƒcu，k；ƒcu，min≥ƒcu，kB.mƒcu≥1.15ƒcu，k；ƒcu，min≥ƒcu，kC.mƒcu≥1.10ƒcu，k；ƒcu，min≥0.95ƒcu，kD.mƒcu≥1.15ƒcu，k；ƒcu，min≥0.95ƒcu，k
A.1d；24hB.1d；48hC.2d；24hD.2d；48h
A.0；8B.0；6C.0.1；8D.0.1；6