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 are features of tabes dorsalis, except : \nSelect and explain. \nA. Ataxia, B. Argyll Robeson's pupil, C. Bladder disturbances, D. Hyperreflexia", 'role': 'user'}, {'content': 'Answer: D \nExplanation: Answer is D (Hyperreflexia): Tabes dorsalis is characterized by areflexia resulting from degeneration, demyelination of posterior nerve root and ganglia.', 'role': 'assistant'}]