Which of the Following Therapeutic Techniques Best Illustrates Paradoxical Intention

Which of the following therapeutic techniques best illustrates paradoxical intention?

A) A client who anxiously stutters in social situations is told to ignore the problem and behave as though he/she is entirely comfortable in such situations.
B) A client who anxiously stutters in social situations is told to try to stutter in social situations.
C) A client who anxiously stutters in social situations role-plays this situation with the therapist, who stutters more noticeably than the client.
D) A client who anxiously stutters in social situations is instructed to substitute another symptom for stuttering.