国家对个体、私营等非公有制经济实行()。
A.保障、巩固和发展
B.鼓励、指导和帮助其发展
C.引导、监督和管理
D.通过法律和行政管理对其进行制约
参考答案:C
异常纤维蛋白原血症
--- Hi, Tracy, you look tired.
--- I’m very tired. I ____ the living room all day.
A.painted
B.had painted
C.am painting
D.have been painting