A. scandalous
B. vicious
C. wicked
D. corrupt
Virtuous : having or showing high moral standards.
Scandalous : causing general public outrage by a perceived offence against morality or law.
Vicious : immoral.
Wicked : evil or morally wrong.
Corrupt : having or showing a willingness to act dishonestly in return for money or personal gain.
Antonym of Virtuous is Vicious