Final answer:
Albert Ellis created Rational Emotive Therapy (RET), which is a confrontational therapy that targets irrational beliefs within the cognitive-behavioral therapy framework. The correct option is C
Step-by-step explanation:
The therapy devised by Albert Ellis that is known for being confrontational and challenging clients to face the irrationality of their belief systems is called Rational Emotive Therapy (RET).
This form of therapy, which falls under the broad category of cognitive-behavioral therapy, is aimed at identifying irrational beliefs, challenging them, and ultimately replacing them with more rational and adaptive beliefs.
It differs from other types of therapy such as Gestalt therapy, which focuses more on the individual's experience in the present moment, and client-centered therapy developed by Carl Rogers, which heavily emphasizes genuineness, empathy, and unconditional positive regard for the clients.The correct option is C.