It's Man vs. Self... I read that story and did the answers but i don't know if your abc choice is the same as mine
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
The sentence that begins 'In the dull...'