Perform Quality Control is the process of monitoring and recording results of executing the Quality Plan activities to assess performance and recommend necessary changes. ______ are the techniques and tools in performing quality control.. ① Statistical sampling ② Run chart ③ Control charts ④ Critical Path Method ⑤ Pareto chart ⑥ Cause and effect diagrams

A．①②③④

B．②③④⑤

C．①②③⑤⑥

D．①③⑤⑥