The huge statue(雕像) of the former leader was pulled down, and it lay on the ground _______ .

A．in parts

B．in trouble

C．in ruins

D．in danger

招标人通过媒体发布招标公告，或向符合条件的投标人发出招标文件，称为( )。

A．要约
B．要约邀请
C．承诺
D．邀请