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
18/8 stainless steel 
Select and explain. 
A. 18% Nickel 8% Chromium, B. 18% Chromium 8% Copper, C. 18% Chromium 8% Nickel, D. None of the above
C: 18% Chromium 8% Nickel
Answer: C: 18% Chromium 8% Nickel 
Explanation: None