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
Which of the following post is approximately equal resilient as dentin and good bonding in canal. 
Select and explain. 
A. Stainless steel post., B. Titanium post., C. Carbon fiber reinforced., D. Glass fiber reinforced.
C: Carbon fiber reinforced.
Answer: C: Carbon fiber reinforced. 
Explanation: None