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
Rejuvenation of gutta-percha can be changed from a to b form at 
Select and explain. 
A. 55 - 59° F, B. 55 - 59° C, C. 20 - 25° C, D. 20 - 25° F
B: 55 - 59° C
Answer: B: 55 - 59° C 
Explanation: None