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': 'Which of the following amalgam alloys is least susceptible to creep: \nSelect and explain. \nA. Lathe cut, B. Spherical, C. Microfine, D. Dispersion with high copper', 'role': 'user'}, {'content': 'Answer: D \nExplanation: None', 'role': 'assistant'}]