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': 'Submandibular salivary duct calcification treatment includes \nSelect and explain. \nA. Longitudinal incision and suturing the duct, B. Longitudinal\tincision\tand\tsuturing\tthe\twound leaving the duct open, C. Transverse incision and suturing the duct, D. Transverse incision and suturing the wound leaving the duct open', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]