This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Social & Preventive Medicine
[{'content': 'ORS plus Zinc \nSelect and explain. \nA. Reduces infection, B. Antispasmodic, C. Reduces duration of diarrhea, D. Enhance sodium absorption', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Zinc supplementation with ORS therapy reduce Duration of diarrhea Severity of acute and persistent diarrhea Volume of diarrhea', 'role': 'assistant'}]