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: ENT
[{'content': '65 year old man with carcinoma of tongue of > 4 cm size and multiple lymph nodes of > 6 cm noted. What is the AJC staging \nSelect and explain. \nA. T2 N3 M0, B. T3 N3 M0, C. T3 N2 M0, D. T2 N2 M0', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]