David, a 17-year-old boy, hails from a poor family and gets poor grades in school. His impoverished and crime-ridden neighborhood influences him, and his parents want to prevent him from joining a local gang. In the context of preventing and treating juvenile delinquency, which of the following methods would most likely help David integrate into the nondeviant mainstream? a) teenage hangouts
b) summer camps for behavioraly disturbed youth
c) scouts, sports, and church activities
d) programs in which at-risk teens visit prisons and speak with Inmates