I think you meant to put science, not English, but I'm pretty sure the answer is a
Answer:
A) Inform readers about caffeine facts
Explanation:
The author is simply stating facts about caffeine and he/she does not try to convince you to try it or take it.
Answer:
I think D. That or it's C.
Explanation:
His father nods but clenches his fist which means he's not happy with the trial but he's trying. His mother also forces a smile. I think it's D because, though his parents may not like it, they are trying.
I hope this helps!