This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Maxillo Facial Injuries, Subject name: Surgery
[{'content': 'Clicking jaw is due to: \nSelect and explain. \nA. Lax temporomandibular joint, B. Fracture mandible, C. Fracture maxilla, D. Dislocation of symphysis mentii', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: a (Lax temporomandibular joint)Ref: Still searching', 'role': 'assistant'}]