Gordon Allport's Youthful Encounter with Freud Left Him with Which

Gordon Allport's youthful encounter with Freud left him with which conviction?

A) that psychoanalysis could provide the essential foundation for a psychology of "personality"
B) that he himself was an example of a well-adjusted "anal personality"
C) that "depth psychologies" were not always appropriate for dealing with normal individuals
D) that personality traits have their basis in childhood experiences