Systematic Desensitization Typically Consists of Which Three Primary Steps

Systematic desensitization typically consists of which three primary steps?

A) Relaxation training,construction of anxiety hierarchies,and pairing gradual exposure to objects of anxiety with relaxation
B) Development of anxiety hierarchies,stress management,and self-monitoring
C) Selection of reinforcers,pairing gradual exposure to objects of anxiety with relaxation,delivery of reinforcements based on a schedule
D) Exposure to anxiety provoking objects or situations,relaxation training,reinforcement