Karen's father is an executive for a major international corporation and has been transferred to various countries over the years. With each move, Karen is enrolled in a new school. Even though English is spoken in the schools she attends, there are students from all over the world whose parents have jobs similar to Karen's father. With each new school, Karen spends the first few weeks merely observing the other students to learn which behaviors are appropriate in specific situations because she's learned that at each school the kids behave differently. Karen is attempting to learn that student body's specific _____ regarding behavior.
A) rules.
B) guidelines.
C) precepts.
D) norms.
E) prescriptions.