We hurried all the way to the airport, only ______ that the flight had been cancelled because of the foggy weather.

A．being told

B．to be told

C．having told

D．to have been told

凡涉及主要技术基准、影响施工总体质量的技术复核内容，必须报（）核准，经核准后才能作为施工依据。

A、项目技术负责人

B、项目经理

C、监理工程师

D、质量监督站