Randal is a 17-year-old whose parents have left him mostly on his own for several years. they leave for days on end to drink and gamble, leaving no food or assistance for him in the home. when they do come around, they often beat randal and criticize him because the house is unkempt. randal is usually on the streets, vandalizing cars and getting involved in arson. randal would be categorized as
a) a juvenile delinquent
b) conduct disordered
c) an undersocialized delinquent
d) oppositional defiant