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': 'Daily requirement of Iodine in adults is \nSelect and explain. \nA. 50 mcg, B. 100 mcg, C. 150 mcg, D. 200 mcg', 'role': 'user'}, {'content': 'Answer: C \nExplanation: The daily requirement of iodine is 150 mcg supplied normally by well balanced diets and drinking water.', 'role': 'assistant'}]