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: Medicine
[{'content': 'Bence Jones proteinuria may be seen in: \nSelect and explain. \nA. Alpha heavy chain disease, B. Gamma heavy chain disease, C. Mu heavy chain disease, D. Epsilon heavy chain disease', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]