This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
[{'content': "Russell's bodyare accumulations of : \nSelect and explain. \nA. Cholesterol, B. Lipoprotein, C. Immunoglobulin, D. Phospholipids", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ref, Robbins 9/e p63', 'role': 'assistant'}]