由于现在的主板都带有PNP功能，所以新购买微机无需进行BIOS参数设置，系统能自动识别其所需的参数。( )

Quality assurance(QA) ______ .

A．is the application of planned, systematic quality activities to ensure effective policing of the conformance of the project team to approved specifications

B．is primarily concerned with providing the project team and stakeholders with standards, by which the project performance is measured

C．is the application of planned, systematic quality activities to ensure that the project will employ all processes needed to meet requirements

D．generally reduces the probability of project completion on schedule