His first line of defense was broken.
the answer is C. thinking about a problem constantly
Mary prepares a salad at the same time the chicken is cooking in the oven. This statement is an example of HEALTHY MEAL PLANNING. John created a list of tasks to cook broccoli soup. This list also included estimated time it may take to complete each of the tasks. This statement is an example of WORK PLAN.
It could possibly be mental because it has to do what you believe in but it could also be social because you need your parents and peers/ culture to define who you are and what you choose to be