The passage is centered on the theme of belonging in a certain pack or group. Buck may be a bit different from the others but as Buck tried to be like them and did what they usually do, it gathered the trust of the pack especially the leaders. To belong in a group, one should gain their trust.
Inform readers about a unique school and the students who attend it
The answer is c. courtroom : lawyer.
The original analogy, football field : head coach, is comparing a workplace to a profession that would work in that workplace. A, B, and D don't fit that description (A is comparing two similar professions, B is comparing a job with a task that person would do, and D is comparing two people) so C is your best option (it, too, follows the format of workplace : profession.)
Hope this helps!
