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: Pediatrics
WHO ORS composition are (mmol) - 
Select and explain. 
A. Glucose - Ill, B. K+ - 80, C. Na+ - 20, D. None
D: None
Answer: D: None 
Explanation: Ans. is 'None'