Which Best Explains Why Health Professionals and Educators Are Stressing

Which best explains why health professionals and educators are stressing total abstinence of drugs instead of teaching appropriate social use?

A) Federal funds are available to schools if abstinence is stressed
B) If students perceive a drug as harmful,fewer actually try it
C) It is easier to avoid a substance altogether than to try to control the dose
D) This education is consistent with our American culture.