You have to finish all the cleaning by yourself, ______? [ ]

A. haven't you

B. can't you

C. have you

D. don't you

防范和化解政府债务风险，就是将政府财政制度和财政手段本身的缺陷，以及多种不确定经济因素造成损失和困难的可能性消除或降低到最小限度。