There are several things that you should ask yourself when analyzing word choice, but the most important is to choose the shortest and simplest word that conveys the meaning you want.
Answer:
The sweater isn't hers but she is forced by her teacher to wear it.
Explanation:
Although both B and C would support the argument, I believe the correct answer in this case would be A.
Important for getting or keeping a job. i hope this helps(:
