Which of the Following Clinical Examples Best Illustrates Guided Participation

Which of the following clinical examples best illustrates guided participation?

A) A client with contamination fears is asked to imagine a series of progressively more intense anxiety-producing scenarios.
B) A client with social anxiety watches a videotape of a model interacting at a party.
C) After watching a model exhibit target behaviors, a client with a snake phobia is gradually encouraged by the therapist to try out similar behaviors.
D) The therapist of a client with sexual dysfunction challenges the irrational beliefs that underlie the problem and tries to replace them with more rational beliefs.