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 hinge axis is an imaginary line passing through or near the 
Select and explain. 
A. Centre of the external auditory meatus, B. The coronoid process, C. Centre of the condylar fossa, D. Centre of the condyle
D: Centre of the condyle
Answer: D: Centre of the condyle 
Explanation: None