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
New drug effective in post prandial sugar control is: 
Select and explain. 
A. Acarbose, B. Metformin, C. Sulfonylurea, D. Repaglinide
D: Repaglinide
Answer: D: Repaglinide 
Explanation: Repaglinide