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
Algophobia is: 
Select and explain. 
A. Phobia of closed space., B. Phobia of large space., C. Phobia of pain., D. Phobia of animals.
C: Phobia of pain.
Answer: C: Phobia of pain. 
Explanation: None