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 component in very minor quantity in stainless steel that changes the properties to a maximum level is \nSelect and explain. \nA. Carbon, B. Molybdenum, C. Chromium, D. Nickel', 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]