Jones Says, "These Projects Have Clearly Shown a Promising Path

Jones says, "These projects have clearly shown a promising path toward reducing the extent of substance abuse in young people." What projects is Dr. Jones talking about?

A) Ones that combine different intervention strategies
B) Ones that involve the interdiction or reduction in supply of drugs
C) Ones that contradict the movies and TV commercials that glamorize drugs
D) Ones that use teachers to tell students why drugs are bad for their health