项目经理正在另一个国家执行一个IT外包项目。客户抱怨说远程团队没有达到他们的质量标准。项目经理应该查阅哪一份文件来确认这一点？
A project manager is implementing an IT outsourcing project in another country. Customers complained that the remote team did not meet their quality standards. Which document should the project manager check to confirm this?
A ：外包公司的质量政策 Outsourcing company's quality policy
B ：质量控制测量结果 Quality control measurements
C ：采购工作说明书(SOW) Procurement Statement of Work
D ： 质量管理计划 Quality management plan
先自己做一做，答案和解析见下一页。