A. innocent
B. pure
C. virtuous
D. angelic
Guilty : culpable of or responsible for a specified wrongdoing.
Innocent : not guilty of a crime or offence.
Pure : not mixed or adulterated with any other substance or material.
Virtuous : having or showing high moral standards.
Angelic : (of a person) exceptionally beautiful, innocent, or kind.
Antonym of Guilty is Innocent