B?
They want me to add at least 20 characters for some reason so that's why I wrote this. You don't have to read it. Life is good.
It identifies the focus and method of the research project.
AND
it provides important scientific and medical data to the public.
Answer:
"But a subgroup of kids, about 10% or 20%, showed a dramatic onset of symptoms after their injury and persistent symptoms that in some cases remained even 12 months after the injury."
Explanation:
I read the Article and took the quiz. I really hope this help :D
