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
All of the following preparations of insulin are rapid and short-acting EXCEPT: 
Select and explain. 
A. Lispro, B. Aspart, C. Glargine, D. NPH
C: Glargine
Answer: C: Glargine 
Explanation: None