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: Pathology
[{'content': 'Tumor represented as T3N2M0 is: \nSelect and explain. \nA. Stage1., B. Stage 2, C. Stage 3, D. Stage 4', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]