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
Which is the predominant factor in the formation of the alveolar process: 
Select and explain. 
A. Eruption of teeth, B. Normal process of growth, C. Lengthening of the condyle, D. Overall growth of the bodies of the maxilla and the mandible
A: Eruption of teeth
Answer: A: Eruption of teeth 
Explanation: None