Answer:
C. Flooding.
Step-by-step explanation:
Confrontational therapy: when a therapist confronts an individual about their beliefs
Systematic: a type of psychology that studies human behavior and experience
Flooding: a type of therapy that exposes an individual to what they fear, encountering a stimuli to be stronger against it.
Aversion: a type of therapy useful in addictions in which a patient is exposed to a stimuli as well as something discomforting.