This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pancreas, Subject name: Pharmacology
[{'content': 'A 20-year-old male has type 1 diabetes mellitus. For tight control of his blood sugar levels, the most appropriate regimen is? \nSelect and explain. \nA. Evening injections of mixed regular insulin and insulin glargine, B. Morning injections of insulin detemir, supplemented by small amounts of insulin aspa at food times, C. Morning injection of NPH insulin and evening injection of regular insulin, D. Morning injections of mixed insulin lispro and insulin glulisine', 'role': 'user'}, {'content': 'Answer: B \nExplanation: For good control of blood sugar, long acting insulin is given in morning to establish baseline levels of insulin. This is followed by rapid acting insulins just before meals. Long acting insulin include: Glargine, detemir, degludec Rapid acting insulin include: Lispro, aspa, glulisine', 'role': 'assistant'}]