This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Diabetes Mellitus, Subject name: Medicine
Once a week preparation used in diabetes management is? 
Select and explain. 
A. Alogliptin, B. Empagliflozin, C. Albiglutide, D. Glimepiride
C: Albiglutide
Answer: C: Albiglutide 
Explanation: GLP-1 Receptor agonists: exenatide, albiglutide, dulaglutide are available as once weekly administration by subcutaneous route. Liraglutide needs to be given once per day.