C- it would be bias for answer A , many high school student don't have a personal trainer as well as blog posts are not reliable, and parents do not have experience the direct impact . Those are all the reason it can't be any of the others.
A). stage Directions help create a visual, it is describing everything that is on the scene.
C
C
B
B
A
C
C
B
D
A
Didn't ever read this so just looking at the question I went with what possibly could've made sense to the story<span />