In High School,Janet Rarely Smoked or Drank Alcohol

In high school,Janet rarely smoked or drank alcohol.In college,Janet met some friend who spent most of their downtime consuming large amounts of alcohol and other drugs.Soon,she did the same and did not know anyone who did not spend their time that way.Which theory best explains Janet's behavior,given this limited amount of information?

A) labeling theory
B) strain theory
C) social control theory
D) theory of differential association