This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Pharmacology
[{'content': 'The loading dose of Aminophylline is \nSelect and explain. \nA. 50-75mg/kg, B. O. 5-1mg/kg, C. 2-3.5mg /kg, D. 5-6mg/kg', 'role': 'user'}, {'content': "Answer: D \nExplanation: Refer KDT 6/e p 221 Aminophylline IA admistered I'm a dose of 5-7mg/kg slow intravenous infusion. In children, dose required is 7.5mg/kg", 'role': 'assistant'}]