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: Dental
[{'content': 'According to NACO 2011, prevalence of HIV affected people? \nSelect and explain. \nA. 0.27, B. 2.14, C. 1.4-1.6, D. 0.53', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]