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: Surgery
Initial clicking of TMJ while opening is due to 
Select and explain. 
A. Protruded condyle in respect to articular disc, B. Retruded condyle in respect to articular disc, C. Perforated disc, D. Lateral displacement of the condyle
B: Retruded condyle in respect to articular disc
Answer: B: Retruded condyle in respect to articular disc 
Explanation: None