I think the answer is a because if it wasn't many bad ideas for medicine will come and we could get hurt from them.
NSAID-nonsteroidal anti-inflammatory drugs
Most NSAIDs block both Cox-1 and Cox-2 enzymes. They include the over-the-counter drugs: Aspirin (Bufferin, Bayer, and Excedrin)Ibuprofen (Advil, Motrin, Nuprin)
D is the correct answer. While a person is asleep the parasympathetic nervous system is still active, utilizing the autonomic subdivision. Hope it helped you, and have a great day. :)
-Charlie