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: Social & Preventive Medicine
A patient is called obese if BMI is 
Select and explain. 
A. 20-30, B. > 30, C. > 25, D. > 40
B: > 30
Answer: B: > 30 
Explanation: None