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': "Burkitt's lymphoma arises from - \nSelect and explain. \nA. T cell, B. B cell, C. Pre B cell, D. NK cell", 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]