Which Statement About the Successes of Suicide Prevention Programs Is

Which statement about the successes of suicide prevention programs is MOST accurate?

A) The people at greatest risk for suicide are the individuals who are most likely to call prevention centers.
B) Of those individuals who call suicide prevention centers, fewer commit suicide than those who don't call who are in a similar risk group.
C) Suicide rates are consistently lower in communities that have suicide prevention centers.
D) People thinking of suicide know about and readily call suicide prevention centers.