Answer:
Teens don't realize the amount of hidden caffeine they are consuming
Explanation:
<span>A longer sentence structure can give a reader the feeling that the pace is slowing down. Heavily-detailed sentences and paragraphs can make time feel as if it is standing still. Shorter sentences without detail can make time seem as if it is flying by instead of slowly progressing.</span>
The second one is a run on sentence
Some do not pay attention to things like that.
I have a feeling that the answer is A.
I'm not sure though, I don't know the story