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
All are features of tabes dorsalis, except : 
Select and explain. 
A. Ataxia, B. Argyll Robeson's pupil, C. Bladder disturbances, D. Hyperreflexia
D: Hyperreflexia
Answer: D: Hyperreflexia 
Explanation: Answer is D (Hyperreflexia): Tabes dorsalis is characterized by areflexia resulting from degeneration, demyelination of posterior nerve root and ganglia.