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': 'Disadvantage of the use of laminated arch wire is: \nSelect and explain. \nA. Lack of stability, B. Fracture, C. Abruptness in response to adjustment, D. Difficult to handle clinically', 'role': 'user'}, {'content': 'Answer: C \nExplanation: None', 'role': 'assistant'}]