The approach of the individual to become better with the control of the behavior is given by the Humanistic perspective.
The Humanistic theory can be given as the belief that humans are good creatures. He had a constant desire for improvement, and thereby he believes in controlling his behavior and traits.
The free will of the individual is given as the stress concept with self-efficacy and self-actualization.
Thus, the approach to focusing on free will and the control of behavior is given by the Humanistic perspective. Thus, option A is correct.
Learn more about the humanistic perspective, here:
https://brainly.com/question/14085482