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
ORS plus Zinc 
Select and explain. 
A. Reduces infection, B. Antispasmodic, C. Reduces duration of diarrhea, D. Enhance sodium absorption
C: Reduces duration of diarrhea
Answer: C: Reduces duration of diarrhea 
Explanation: Zinc supplementation with ORS therapy reduce Duration of diarrhea Severity of acute and persistent diarrhea Volume of diarrhea