According to the Philadelphia Cohort Study, Which of the Following

According to the Philadelphia cohort study, which of the following would be accurate about the age of onset?

A) Juveniles first convicted at the earliest age consistently offended at a lower rate and for a shorter time period.
B) Juveniles first convicted at later ages consistently offended at a higher rate and for a longer time period.
C) The average number of offenses tended to decline almost uniformly as the age of onset increased.
D) The earlier the juveniles began law-violating behaviors the less likely they were to continue such behaviors.