The third paragraph mainly tells us that______________A. a network of centers has been qu

The third paragraph mainly tells us that______________

A. a network of centers has been quite effective in reducing suicide

B. a network of centers help the callers to realize that suicide is a common social problem

C. people are making efforts to help those who tend to commit suicide and in a way, they are successful

D. in the US, people who want to commit suicide call a network of centers to get help