This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Surgery
[{'content': 'The following are true regarding intermittent claudication except \nSelect and explain. \nA. Cramping pain typically in calf muscles, B. Occurs usually after similar degree of activity, C. Relieved by rest quickly, D. Affected by body position', 'role': 'user'}, {'content': 'Answer: D \nExplanation: .', 'role': 'assistant'}]