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: Physiology
[{'content': 'Which among the following is also called "peakless" insulin analog? \nSelect and explain. \nA. Insulin lispro, B. Insulin glargine, C. Insulin aspart, D. Lente Insulin', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]