It depends on the kind of tortillas, how they were produced
and whether they are placed on the counter or in the fridge. They may last for
seven days on the counter while in the refrigerator they last quite longer (a
month or more). So, if you want to keep them longer it would be better to keep
it in a fridge.
Answer: 
Explanation: The peripheral nervous system (PNS) is the division of the nervous system containing all the nerves that lie outside of the central nervous system (CNS).
The body lowers temperature when it is asleep. So, assuming you’re asleep at the time, it would be A. 11pm-3am.
The correct answer is A.
It makes most sense than the others.
Hope this helps