Which One of the Following : Statements Correctly Defines Abetment

Which one of the following : statements correctly defines abetment?

A) The principal accused must have the same intention as that of the abettor
B) The liability of the abettor is dependent on the liability of the principal accused
C) The abettor has aided the principal accused in commission of the offence
D) The abettor has wilfully misrepresented a fact to someone and caused an offence committed by the latter.