— We didn't find the Blacks during the lecture. 

—  No one had told them about _____ a lecture. [ ]

A. there to be

B. there being

C. there be

D. there was

( )在工程项目施工中处于中心地位，对于工程项目施工负有全面管理的责任。

A．技术负责人

B．承包单位

C．企业法人

D．项目经理