—I’m sure Andrew will win the first prize in the final.

—I think so. He ________ for it for months.

A．is preparing

B．was preparing

C．had been prepared

D．has been preparing

下列不是标前设计的依据的是( )。

A．施工现场情况
B．招标文件及合同书
C．项目的可行性研究
D．施工组织总设计施工图