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': 'Carcinoma of the tongue - \nSelect and explain. \nA. Occurs most commonly on the lateral border of the middle third of tongue, B. Metastasize readily to cervical lymph nodes, C. Is usually radiosensitive, D. All of the above', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is `d' i.e., All of the above", 'role': 'assistant'}]