This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Respiratory system, Subject name: Medicine
Duration of apnea in OSAS is 
Select and explain. 
A. > 10 seconds, B. > 20 seconds, C. > 30 seconds, D. > 60 seconds
A: > 10 seconds
Answer: A: > 10 seconds 
Explanation: None