Trenton's greatest desire is to be an actor in community theater. However, he knows that his parents expect him to join the family law practice. Trenton anxiously confronts his parents and informs them that he must follow his dream by attending university on a theater scholarship. Trenton's decision demonstrates what Carl Rogers refers to as an expression of __________.
a. Insubordination
b. Free will
c. Defiance
d. Suggestibility