The correct options are
A Tobacco
B Alcohol
C Street drugs
There are several reasons for addiction, both personal and social.
Substance-related Addiction includes dependence on any of these:
-Tobacco
-Alcohol
-Street drugs (illegally sold drugs that are taken for non-medicinal use. E.g. LSD, amphetamines)
-Prescription drugs (medicinal drugs that are misused. E.g. sleeping pills and pain-killers)