I think this is true due to the fact If something was to happen someone on the outside would know the plan of action.
It means that most scores are around average with some higher and lower. (I'm not sure if that is the type of answer you were looking for, but I hope this helps).
The answer would be D atonal music
B is the answer. Jerry’s social life can be impacted if he got married (since he’d be able to meet new people or couples), if he stared his freshman year (since he’d be knowing new people in his classes, etc.) or if he got a new job (since he’d get new work companions).