This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
Normal body mass index is- 
Select and explain. 
A. 18.5 to 24.99, B. 15 to 18, C. 25.00 to 29.99, D. Greater than 30
A: 18.5 to 24.99
Answer: A: 18.5 to 24.99 
Explanation: Commonly accepted BMI ranges are underweight: under 18.5 kg/m2, normal weight: 18.5 to 25, overweight: 25 to 30, obese: over 30. Ref Davidson 23rd edition pg 699