B) stimulant
Caffeine is usually not dangerous when used carefully. Depressants are a group of drugs that slow down the activity in the brain and body. and coffee helps you stay awake.
You can Survive Dehydration
1. check for breathing/pulse (if none start CPR)
2. call for help (& AED if doing CPR)
3. protect c-spine
4. try to get info (who is the person/are they alone?)
(I dont know how detailed it needs to be but thats the first few things you should do)
I believe the answer is C. I hope you get the question right!