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: Medicine
[{'content': 'All of the following statements about Conus syndrome are true except - \nSelect and explain. \nA. Saddle anaesthesia is present, B. Flexor plantar response is seen, C. Knee and ankle jerks are absent, D. Bowel and bladder involvement is prominent', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]