Greg Tends to Be Very Passive and Allows People to Take

Greg tends to be very passive and allows people to take advantage of him. What would a humanist be MOST likely to say about Greg?

A) Greg will find it difficult to change because he probably has deep-seated feelings of inferiority.
B) Greg can become more assertive once he begins to feel better about himself and recognises that he has the ability to fulfill his potential.
C) Greg simply needs to take an assertiveness training class in which he can learn and practice assertive behaviours.
D) Greg should undergo analysis so that he can begin to resolve whatever unconscious conflict is at the root of his passivity.