Many studies have shown that if young people have friends who do drugs, they are more likely to participate in this behavior. Which statement BEST explains why this is the case?
A. In many societies, drug use among young people is widely accepted.
B. If people are violating social norms, they will be appealing to others.
C. If most people in a group are participating in a behavior, it becomes normal.
D. Those with poor judgment usually have friends with who also lack judgment.