—Have you finished your homework yet?

—Not yet, I ___ to do it just a few minutes ago.

A．get down

B．set out

C．set about

D．set up

建筑智能化工程实施程序为首的是( )。

A．工程招投标文件制定

B．用户需求调研

C．方案设计与评审

D．施工图深化设计