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 singlePlan,then the Do-Check-Act cycle should be repeated multiple times to implement Continual Improvement

C.
There should be a single Plan andDo,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