—Could I watch TV, Mum? I want to have a rest.

—No, you _______. You must finish your homework first.[ ]

A. mustn't

B. couldn't

C. may not

D. can't

（）是价格鉴证机构制作并给委托方使用的证明文书。

A.价格鉴证委托书

B.价格鉴证受理书

C.价格鉴证结论书

D.价格鉴证执行书