Thirty-year-old Mia tells her therapist that she feels worthless and unattractive because she doesn't have a boyfriend; she is sure she is going to end up single and unloved. Her therapist says, "Your way of thinking is irrational, self-sabotaging, and catastrophic." Her therapist is likely a:

The answer is rational-emotive therapist.

Explanation:

Rational-emotive therapy is based on helping people achieve a sense of peace or happiness by analysing their emotions and behaviour. It states that people often find themselves in a position that disturbs them, possibly because their ideas are distorted and don't reflect an accurate reality. Rational-emotive therapy assumes it's possible to change these thoughts into a more rational, realistic perspective.

the answer is:

c. economic output