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': 'State with highest prevalence of blindness \nSelect and explain. \nA. Jammu - kashmir, B. Maharashtra, C. Bihar, D. Uttaranchal', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]