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
Linear coefficient of thermal expansion of metal used in metal ceramic restoration range from 
Select and explain. 
A. 11.5-12.5 x 10-6/degree Celsius, B. 10.5-11.5 x 10-6/degree Celsius, C. 13.5-14.5 x 10-6/degree Celsius, D. 16.5-17.5 x 10-6/degree Celsius
C: 13.5-14.5 x 10-6/degree Celsius
Answer: C: 13.5-14.5 x 10-6/degree Celsius 
Explanation: None