.

When we were young, we were brought up by our parents to _______ the table manners both at home and in public.

A．determine

B．observe

C．announce

D．control

下列合同属于按照完成承包的内容进行划分的是（）。

A.工程承包合同

B.建设工程设计施工总承包合同

C.施工分包合同

D.建设工程施工合同