Which Is True About Discipline in Canadian Schools

Which is true about discipline in Canadian schools?

A) The problems of today are similar to those encountered by teachers 50 years ago.
B) One-third of Canadian teenagers under age 18 believed violence had decreased in their school over the previous five years.
C) Violence is expected to decrease as teachers and administrators are gaining more authority in dealing with troublemakers.
D) The disorder spills into schools from the surrounding society.
E) Today's students grapple with drug and alcohol abuse, teenage pregnancy, and outright violence.