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': "Commando's operation doesn't include: \nSelect and explain. \nA. Total glossectomy, B. Hemimandibulectomy, C. Removal of floor of mouth, D. Modified radical neck dissection", 'role': 'user'}, {'content': "Answer: D \nExplanation: Commondo's operation includes radical neck dissection which is indicated when carcinoma is fixed to mandible along with infiltration of mouth.", 'role': 'assistant'}]