How many times should each stage of the Plan, Do, Check, Act (PDCA) cycle be visited?
A. Each stage should be carried out once in the order Plan-Do-Check-Act
B. There should be a single Plan,then the Do-Check-Act cycle should be repeated multiple times to implement Continual Improvement
C. There should be a single Plan and Do,then Check and Act should be carried out multiple times to implement Continual Improvement
D. The entire cycle should be repeated multiple times to implement Continual Improvement
