This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Impoant Terminologies and Primitive Neonatal reflexes, Subject name: Pediatrics
[{'content': "A reflex that if once appears, never disappears is: \nSelect and explain. \nA. Moro's Reflex, B. Parachute reflex, C. Symmetric Tonic neck reflex, D. Asymmetric Tonic neck reflex", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Parachute reflex is a reflex that if once appears, never disappears.', 'role': 'assistant'}]