Rena's therapist challenges her to think about her past dieting failures, in which Rena would strictly limit her caloric intake. She asks whether Rena's "all-or-nothing" view of eating was rational "Is it realistic to think that portion control should be either rigid or not worth regulating at all"? What type of therapy does this scenario illustrate?a. psychoanalytical therapyb. cognitive therapyc. humanistic therapy