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
Which among the following is also called "peakless" insulin analog? 
Select and explain. 
A. Insulin lispro, B. Insulin glargine, C. Insulin aspart, D. Lente Insulin
B: Insulin glargine
Answer: B: Insulin glargine 
Explanation: None