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 pyramidal tract lesion, Except - 
Select and explain. 
A. Involuntary movement, B. Positive Babinski's sign, C. Spasticity, D. Increased deep tendon reflexes
A: Involuntary movement
Answer: A: Involuntary movement 
Explanation: None