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
The rate of oxygen consumption of odontoblasts is 
Select and explain. 
A. 1.2 +/- 0.2 ml/min/ 100g of pulp tissue, B. 2.2 +/- 0.2 ml/min/ 100g of pulp tissue, C. 3.2 +/- 0.2 ml/min/ 100g of pulp tissue, D. 4.2 +/- 0.2 ml/min/ 100g of pulp tissue
C: 3.2 +/- 0.2 ml/min/ 100g of pulp tissue
Answer: C: 3.2 +/- 0.2 ml/min/ 100g of pulp tissue 
Explanation: None