This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Fluid & Electrolyte, Subject name: Pediatrics
[{'content': 'Treatment of choice in severe dehydration is: \nSelect and explain. \nA. Isolyte P, B. Normal saline, C. Plasma, D. Ringer lactate', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans: dRef: Pedia ghai, 6th ed, p. 274', 'role': 'assistant'}]