Classify What Is Meant by an Extreme Apneic Event

Classify what is meant by an extreme apneic event:

A) Apnea duration 30 seConds or longer or a heart rate less than 50 to 60 bpm for 10 seConds or more
B) Apnea duration of 20 to 29 seConds or a heart rate less than 50 to 80 bpm for 5 to 15 seConds
C) Cessation of breathing for more than 20 seConds or cessation of breathing for longer than 10 seConds, heart rate less than 100 bpm
D) Bradycardia of heart rate less than two-thirds of baseline and saturation SPO₂ less than 80%