--- Can I use the telephone on the table, sir?

--- Under no circumstances       the telephone in the office for personal affairs.

A．anyone is allowed to use

B．anyone is allowed using

C．is anyone allowed to use

D．is no one allowed using

建设工程实行施工总承包的，由( )负责收集、汇总各分包单位形成的工程档案。

A) 施工总承包单位
B) 监理单位
C) 专门的部门
D) 建设单位