C would be the ideal response, but B is also acceptable.
Option C could be correct.
If he lacks friendships, he won't have access to the guidance or support one typically requires for life.
Answer:
The coach is justified in taking this action.
Explanation:
Concussions can be difficult to identify as they often do not show external signs. If the coach detected any indicators of a potential brain injury, allowing the player to continue could result in more serious complications and potentially life-altering consequences.