——Look at your pale face. You ______ a sleepless night.

——You bet. The work site next to the hotel was so noisy.

A．must have had

B．might have

C．should have had

D．cannot have had

根据《实施工程建设强制性标准监督规定》，建设单位明示或者暗示施工单位使用不合格的建筑材料、建筑构配件和设备的，责令改正，并处以（）的罚款。

A.5万元以上10万元以下

B.10万元以上20万元以下

C.20万元以上50万元以下

D.50万元以上100万元以下