This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immune system, Subject name: Medicine
[{'content': 'Lupus pernio is seen in- \nSelect and explain. \nA. Tuberculosis, B. SLE, C. PAN, D. Sarcoidosis', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ref Davidsons 23e p609', 'role': 'assistant'}]