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: Pathology
Autoclave works at which of these settings? 
Select and explain. 
A. 160 degree C, 20 psi, 15 min, B. 121 degree C, 15 psi, 15 min, C. 120 degree C, 15 psi, 10 min, D. 121 degree C, 15 psi, 15 sec
B: 121 degree C, 15 psi, 15 min
Answer: B: 121 degree C, 15 psi, 15 min 
Explanation: None