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: Physiology
What is the BMI for obese person: March 2010 
Select and explain. 
A. Less than 18.5, B. Less than 18.5, C. 25-29.9, D. More than 30
D: More than 30
Answer: D: More than 30 
Explanation: Ans. D: More than 30