I would think the answer is C standard English because gotten is use to say something like Look what you gotten yourself into or Why did you gotten me into this to.
The answer is B) it creates a disharmony that suggests strife in the ample nation.
B. Complete all college requirements
It would not be A since you can get a degree in schools other than technical schools. It wouldn’t be D because if you were to do on he job training you wouldn’t need to go to college in the first place.