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: Medicine
[{'content': 'An obese NIDDM patient present with FBS=180 mg% and PPBS=260 mg% Management include-a) Glibenclamideb) Diet therapy+exercisec) Diet therapy+exercise + Metformin\n d) Chlorpropamide \nSelect and explain. \nA. ab, B. bc, C. bd, D. cd', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]