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: Social & Preventive Medicine
[{'content': '‘Smoking’ is not associated with the following respiratory lesion \nSelect and explain. \nA. Sarcoidosis, B. Chronic bronchitis, C. Emphysema, D. Lung carcinoma', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]