Behavioral Theory Postulates That Behavior Is in Response to External

Behavioral theory postulates that behavior is in response to external factors and situational stimuli; thus, behaviorists believe that psychopathology is a result of learned patterns, not innate deficits. One subset of behavioral intervention, classical extinction, deals with fears and phobias by presenting the conditioned stimulus to the patient. Which technique belongs to this type of intervention?

A) Systematic desensitization
B) Aversive conditioning
C) Flooding
D) Shaping