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
[{'content': 'Most numerous fibers in dental pulp are \nSelect and explain. \nA. A-delta, B. A-beta, C. C fibres, D. Gamma fibres', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]