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': 'Osteomalacia is \nSelect and explain. \nA. defective osteoid + normal mineralization, B. normal osteoid + defective mineralization, C. abnormal osteoid + abnormal mineralization, D. normal osteoid an demineralization', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]