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': 'RDA of zinc in a child ? \nSelect and explain. \nA. 10 mg, B. 20 mg, C. 6-8 mg, D. 4-5 mg', 'role': 'user'}, {'content': "Answer: C \nExplanation: Ans. is 'c' i.e., 6-8 mg", 'role': 'assistant'}]