fair is foul and foul is fair " could mean all of the following except

fair is foul and foul is fair " could mean all of the following except : A : how the witches view of moralit is twisted : B : how events are not what they appear to be  : C: how people are not what they profess and present themselves to be  : D : how the witches have put a unbreakable curse on macbeth ?