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: Orthopaedics
[{'content': 'False about Fibrous ankylosis \nSelect and explain. \nA. Is complication of septic arthritis, B. Painful, C. Movement is possible at joint, D. Most common cause is TB Hip', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]