"This month our family has used ______ water as we did last month." said Mother.[      ]

A. as twice as much

B. more than twice

C. twice as much as

D. more than twice as much

《煤矿井巷工程质量检验评定标准》规定，有提升设备的立井采用混凝土支护时，支护规格（圆形井筒净半径、方矩形井筒中心线至任一帮距离）偏差（）时为优良。

A.0～+25mm

B.0～+30mm

C.0～+10mm

D.0～+35mm