D. Antivirals, hope it helps
The best answer B) Don't skip school and tell his girlfriend he can't attend
cuz if he skips school that would make it look bad on him for not attending to school and should also tell his girlfriend because it might ruin there realastionship they have
To keep out dirt and other bad things
I would think that the answer is D. all of these, considering that:
1) The cytoplasm is mostly made of water, but also contains salt, enzymes, organelles, and orgaince molecules; 2) The cytoplasm supports and suspends cellular molecules and organelles; and 3) Chemical reactions also occur in the cytoplasm, and the enzymes it contains help speed up these reactions.
