How does plan quality management differ from perform quality assurance?

A. Quality assurance is the monitoring of specific project results to determine whether they comply with relevant quality standards, as well as identifying ways to eliminate the causes of unsatisfactory performance.

Plan quality management is planning quality standards.

B. Plan quality management is performed only at early stages of the project.

C. Quality assurance is performed only by people who do not belong to the project, while plan quality management is performed by team members.

D. Plan quality management determines which quality standards to use, while quality assurance assesses project performance to provide confidence that the project will satisfy the quality standards.