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': 'Which of the following is a laboratory finding of Multiple myeloma \nSelect and explain. \nA. Bence jones protein, B. Hyperglobulinemia, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]