当工艺基准与设计基准不重合时，需进行尺寸链计算，确定工序尺寸及公差．

The five project management process groups are ______ .

A．planning, checking, directing, monitoring, and recording

B．initiating, planning, executing, monitoring and controlling, and closing

C．planning, executing, directing, closing, and delivering

D．initiating, executing, monitoring, evaluating, and closing