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': 'Maximum permissible chloride level is – \nSelect and explain. \nA. 200 mg/litre, B. 300 mg/litre, C. 500 mg/litre, D. 600 mg/litre', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]