A project manager has been working for three months on a project to launch a new functionality in a company’s website. However, a key stakeholder is dissatisfied because the deliverable fails to meet their expectations.What document should the project manager consult? 项目经理已经在一个项目上工作了三个月,该项目是关于在公司的网站上发布一个新功能,然而,一位关键相关方感到不满,因为可交付成果未能满足他们的期望。项目经理应该查阅哪份文件? ◑A.Scope management plan范围管理计划 ◑B.Project scope statement项目范围说明书 ◑C.Requirements traceability matrix需求跟踪矩阵 ◑D.Requirements documentation需求文件