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': 'All are true for multiple myeloma except -a) Hypercalcemiab) Hyperuricemiac) ↑ Serum alkaline phosphatased) Monoclonal M bande) Bone marrow plasma cell < 5% \nSelect and explain. \nA. ce, B. b, C. ac, D. ae', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]