With Respect to Violence in Schools

With respect to violence in schools:

A) the number of school shootings has been steadily increasing since the 1990s.
B) although school shootings that garner public attention generally involve White youth, a disproportionate number of homicides in schools involve non-White youth.
C) homicide in schools involves primarily White students.
D) school officials are becoming more skilled at identifying which students are most likely to be involved in school shootings.