— Were you surprised by the ending of the film?

— No, I _______the book, so I already knew the story? [ ]

A. was reading

B. had read

C. am reading

D. have read

按照《国家电子政务工程建设项目管理暂行办法》的要求，项目建设单位应在工程立项的编制（）阶段专门组织项目需求分析，形成需求分析报告送项目审批部门。

A．项目实施方案

B．项目建议书

C．可行性研究报告

D．初步设计方案和投资概算