A) There should be a single Plan and Do, and then Check and Act should be carried out multiple times to Implement Continual Improvement
B) There should be a single %n. then the Do-Check-Act cycle should be repeated multiple times to Implement Continual improvement
C) The entire cycle should be repeated multiple times to Implement Continual Improvement
D) Each stage should be carried out once in the order Plan-Do-Check-Act