This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Gynaecology & Obstetrics
[{'content': 'Which of the following is a long-acting insulin? \nSelect and explain. \nA. Lispro, B. Aspa, C. Glulisine, D. Detemir', 'role': 'user'}, {'content': "Answer: D \nExplanation: Insulin typeSho-acting LisproGlulisineAspaIntermediate-actingRegularLong-actingDetemirGlargineNPH(Ref: William's Obstetrics; 25th edition)", 'role': 'assistant'}]