According to the cognitive therapeutic perspective, people run into psychological trouble when they adopt ways of thinking. a. egotistical b. irrational c. sadistic d. manic

The answer is point 'B'(irrational).
According to this theory, people face the problems when they learn or think without the use of reason because the irrational way of thinking is negative and non realistic and effect our lives with wrong ways. 

Irrationality refers to comprehension, thinking, talking, or acting without consideration for reason ability. It will be a greater amount particularly portrayed as a movement or assessment provided for through insufficient utilization of reason, alternately through passionate misery or lack of judgment.