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: Surgery
[{'content': 'The cause of sensation of tissue tearing during local anesthesia administration is due to: \nSelect and explain. \nA. Passage through a cyst, B. Passage through a muscle, C. Passage through an area of infection, D. Barb on the needle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]