A公司承担了某企业ERP项目的实施工作。项目经理入场后首先制定了项目沟通联络机制，并建议项目参建单位都提供各自的联络人，便于后续有效的沟通。对此做法，最准确的描述是（）。

Quality planning tools are often used to help plan effective quality management activities.() is one of such tools,which involves company actual or planned project practices to those or other projects to generate ideas for improvementand to provide a basis by which to measure performance.

A.Benchmarking

B.Quality metric

C.Quality checklist

D.Brainstorming

In the process of communication requirement analysis, the project manager should consider the number of potential communication channels or paths as an indicator of the complexity of a project’s communication. According to Metcalfe’s Law, a project with 10 stakeholders has () potential communication channels.

A.10

B.45

C.50

D.100