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 clasps for partial dentures should be made of \nSelect and explain. \nA. Gold, B. Iridoplatinum, C. Platinum, D. Silver', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]