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': 'Abdominal visceral pain is transmitted by: \nSelect and explain. \nA. A-fibers, B. C-fibers, C. Parasympathetic fibers, D. Sympathetic fibers', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]