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
The perineurium and epineurium of the pulpal nerves are, respectively 
Select and explain. 
A. Thick and thin, B. Thin and thick, C. Both thin, D. Both thick
C: Both thin
Answer: C: Both thin 
Explanation: The perineurium and the epineurium of the pulpal nerves are thin.