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
[{'content': 'Which of the following is true about testicular torsion \nSelect and explain. \nA. Common in teenage, B. Elevation of testis decreases pain, C. Bell clapper deformity is the most important risk factor, D. Exploration should not be done until diagnosis is proved.', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Torsion is most commonly seen in adult age group\nOn elevation of testis pain increases.', 'role': 'assistant'}]