—You've got your flat furnished，haven't you?

—Yes. I   some used furniture at the Sunday Market and it was a real bargain. [ ]

A. will buy      

B. have bought      

C. had bought        

D. bought

建设项目经济费用效益分析使用的影子价格的正确含义是（）。

A.政府为保证国计民生为项目制定的指导价格

B.使项目产出品更具竞争力的价格

C.反映项目投入物和产出物真实经济价值的价格

D.为扶助贫困人口特别提供的优惠价格