<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 16-year-old boy is brought to the physician by his mother because she is worried about his behavior. Yesterday, he was expelled from school for repeatedly skipping classes. Over the past 2 months, he was suspended 3 times for bullying and aggressive behavior towards his peers and teachers. Once, his neighbor found him smoking cigarettes in his backyard. In the past, he consistently maintained an A grade average and had been a regular attendee of youth group events at their local church. The mother first noticed this change in behavior 3 months ago, around the time at which his father moved out after discovering his wife was having an affair. Which of the following defense mechanisms best describes the change in this patients behavior?? A: Suppression, B: Acting out, C: Projection, D: Passive aggression, E: Regression,  <response>: This is a question about defense mechanisms in psychology. The stem describes a 16-year-old boy who is exhibiting behavioral changes including skipping school, bullying, smoking, and aggression after a stressful life event involving his parents marital issues. The choices describe different defense mechanisms. Acting out involves expressing unconscious emotional conflicts or feelings through actions rather than words. This fits the description of the boys bullying, aggression, and other problematic behaviors. Regression involves reverting to more childish or immature patterns of behavior to handle stress and difficult emotions. While the boys behavior has changed, he is not exhibiting more childish behaviors. The other options of suppression, projection, and passive aggression do not match the boys behavioral response.B: Acting out 