在工程施工监理招标文件中，（）是监理招标文件的组成部分，同时也是投标人编制监理投标文件，实施监理服务的依据之一。

A．投标人须知

B．监理大纲要求

C．工程技术文件

D．合同文件

—Did you see him yesterday?

—No, when I got to the airport, he ______ a taxi for home. [ ]

A. has taken

B. had taken

C. will take

D. would take