Of the Following,which Is the BEST Example of Psychotherapy

Of the following,which is the BEST example of psychotherapy?

A) You are given a prescription of Prozac to address your depression.
B) You receive electroconvulsive therapy to lift your depression.
C) You share all your concerns and worries with a trusted friend.
D) You are accompanied by a therapist as you progressively get closer and closer to the edge of a tall balcony in an attempt to rid yourself of a fear of heights.