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: Dental
Rate of Oxygen consumption by odontoblast is 
Select and explain. 
A. 3.2+- 0.2 ml/min/100g, B. 4.2+- 0.2 ml/min/100g, C. 2.2+- 0.2 ml/min/100g, D. 3.5+- 0.2 ml/min/100g
A: 3.2+- 0.2 ml/min/100g
Answer: A: 3.2+- 0.2 ml/min/100g 
Explanation: None