Why Did Fritz Perls Adopt the Term Gestaltto Name the Therapy

Why did Fritz Perls adopt the term Gestaltto name the therapy originated by him?  

A) Fritz Perls used the term Gestalt to signify his interest in giving the conflicting parts of the personality an integrated form or shape. 
B) Fritz Perls used the term Gestalt to signify his interest in a spiritual way of cleansing a person's mind of psychological inhibitions. 
C) Fritz Perls used the term Gestalt to distinguish his method of therapy from the approaches used in client-centered therapy. 
D) Fritz Perls used the term Gestalt to convey the directive approach of his therapy.