Yoshi Is Uncomfortable with Worms

Multiple Choice

Yoshi is uncomfortable with worms. In fact his fear is so debilitating that he has been unable to leave his house when it rains. Subsequently, to save his job he enters therapy to learn to deal with this phobia. The therapy involves dropping Yoshi into a large vat of earthworms and leaving him there, despite his screams of fear. After a few hours, Yoshi finds the worms less nauseating, if still disgusting. This therapeutic technique is called __________

A) systematic desensitization.
B) response prevention.
C) flooding.
D) implosion.