This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
[{'content': 'Arrange the following steps in order of the events occurring first to lastA. MarginationB. Rolling\xa0C. StasisD. Pavementing \nSelect and explain. \nA. ABCD, B. DCAB, C. CABD, D. DABC', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The correct order is\xa0\nStasis - Margination - Rolling - Pavementing.', 'role': 'assistant'}]