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: Physiology
[{'content': 'Maximum conduction occurs in which fibres \nSelect and explain. \nA. B fibres, B. A alpha fibers, C. Sympathetic fibres, D. C fibres', 'role': 'user'}, {'content': 'Answer: B \nExplanation: SENSORY NERVE FIBERS', 'role': 'assistant'}]