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': 'The stabbing nature of pain in trigeminal neuralgia mimics pain caused by \nSelect and explain. \nA. A cracked tooth, B. Acute reversible pulpitis, C. Acute irreversible pulpitis, D. Acute apical periodontitis', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]