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: Dental
Which of the following reflex never disappears? 
Select and explain. 
A. Walking and stepping reflex, B. Limb placement reflex, C. Parachute reflex, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Persistent reflexes: Reﬂexes that never disappears.

Walking and stepping reﬂex
Limb placement reﬂex
Parachute reﬂex