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': 'Well circumscribed, flat lesions that are inflammed or pigmented is known as: \nSelect and explain. \nA. Papule., B. Macule., C. Bullae., D. Pustule.', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]