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
[{'content': 'Content of citrate in ORS is...............millimoles ? \nSelect and explain. \nA. 20, B. 25, C. 30, D. None', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'None' o Correct answer is 10.m mol/litere or 30 meq/litre.", 'role': 'assistant'}]