Based on the Evidence About Suicide Rates, Which Intervention Strategies

Based on the evidence about suicide rates, which intervention strategies should prevent the MOST suicides?

A) intervention focused on middle-aged adults-they have a fairly high suicide rate, and it is rising relatively rapidly
B) intervention focused on children-they have a relatively low suicide rate, but it is rising extremely rapidly
C) intervention focused on those older than 75-they make far more suicide attempts than other age groups, although they have a low suicide rate
D) intervention focused on teenagers-they have the highest suicide attempt and suicide completion rates of any age group