A. civilized
B. cruel
C. uncivilized
D. bad
barbarians : an uncultured or brutish person.
civilized : polite and well-mannered.
cruel : wilfully causing pain or suffering to others, or feeling no concern about it.
uncivilized : not socially, culturally, or morally advanced.
bad : of poor quality or a low standard.
Antonym of barbarians is civilized
