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
[{'content': 'True about acarbose are all, except: \nSelect and explain. \nA. Controls both pre and post prandial hyper, B. It decreases fibrinogen level, C. It is an alpha glucosidase inhibitor, D. It delays progression of diabetes', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Controls both pre and post prandial hyper', 'role': 'assistant'}]