—I paid 200 dollars for the necklace. I think it's much too expensive.

—Expensive? I don't agree with you. You so before you _______ it.

A．should have said; bought

B．have said; bought

C．had said; buy

D．must have said; should buy

工程项目的控制性施工进度计划是指( )。

A．单体工程施工进度计划

B．企业年度生产计划

C．施工总进度计划

D．项目施工月度计划