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: Physiology
Pain-sensitive intracranial structure is: 
Select and explain. 
A. Piamater, B. Pial vassels, C. Duramater, D. Brain matter
C: Duramater
Answer: C: Duramater 
Explanation: C i.e.Duramater