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: Pharmacology
[{'content': 'Type I diabetes mellitus is initially managed by: March 2010 \nSelect and explain. \nA. Metformin, B. Sulfonylureas, C. Meglitinide, D. None of them', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Ans. D: None of them Type 1 diabetes mellitus is treated with insulin replacement therapy -- usually by insulin injection or insulin pump, along with attention to dietary management, typically including carbohydrate tracking, and careful monitoring of blood glucose levels. Untreated type 1 diabetes commonly leads to coma, often from diabetic ketoacidosis, which is fatal if untreated.', 'role': 'assistant'}]