What Is the Rationale Behind a Therapist's Urging and Advocating

What is the rationale behind a therapist's urging and advocating for symptomatic behavior?

A) encouraging a client to consider the utility and benefit of a symptom can be guided towards change talk and away from ambivalence
B) therapists are likely to maintain a longer relationship with the client, ensuring potential deeper therapeutic changes
C) clients are able to stay symptomatic until it has run its course
D) it brings the client's struggle into clear view, taking the focus away from the symptoms and allowing them to remediate naturally