This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endocrine, Subject name: Pharmacology
[{'content': 'Based on the given mechanism of action as shown in the Figure, Drug A is likely to be: \nSelect and explain. \nA. Exenatide, B. Vildagliptin, C. Canagliflozin, D. Pramlintide', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Parasympathetic nerve supply is richly suuplied to Gastrointenstinal tract(GIT). It helps in peristalsis, digestion,motility and absorption of nutrients.', 'role': 'assistant'}]