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
An obese NIDDM patient present with FBS=180 mg% and PPBS=260 mg% Management include-a) Glibenclamideb) Diet therapy+exercisec) Diet therapy+exercise + Metformin
 d) Chlorpropamide 
Select and explain. 
A. ab, B. bc, C. bd, D. cd
B: bc
Answer: B: bc 
Explanation: None