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: Dental
[{'content': 'The copper NiTi wires are not available in the temperature range of: \nSelect and explain. \nA. 15°, B. 29°, C. 35°, D. 40°', 'role': 'user'}, {'content': 'Answer: B \nExplanation: None', 'role': 'assistant'}]