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': 'Granularity of oncocyte is due to? \nSelect and explain. \nA. Overabundance of golgi bodies, B. Overabundance of mitochondria, C. Deficiency of mitochondria, D. Deficiency of golgi bodies', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]