Identify the Statement That Has Been Underscored by Research on Secondary

Identify the statement that has been underscored by research on secondary school and campus shootings.

A) In high school contexts, date rape and hazing are often the cause behind aggression.
B) Official records today reflect reality more closely as much of aggression is reported.
C) "Zero tolerance" policies are often effective in identifying individuals liable to be aggressive.
D) Most of those who make implied or direct threats will not go on to commit serious violence.