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: Microbiology
[{'content': 'Drug of choice for Pneumocystis Pneumonia \nSelect and explain. \nA. Cotrimoxazole, B. Penicillin, C. Itraconazole, D. Ivermectin', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Cotrimoxazole is Doc for Pneumocystis Pneumonia.', 'role': 'assistant'}]