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': 'The clinical manifestation of cauda equina lesion include the following except - \nSelect and explain. \nA. Urinary retention, B. Radicular pain, C. Dermatomal sensory loss, D. Extensor plantar reflexes', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]