Jorge and Tito Have Been Married for Several Years

Jorge and Tito have been married for several years.When he goes to bed,Tito leaves his socks lying on the bedroom floor,something that really bothers Jorge.Jorge asks Tito nicely to please put the socks in the laundry hamper,but it is not until he has yelled at Tito about the socks that Tito actually does so.A social learning theorist would say that because Jorge has to resort to yelling before Tito responds,Jorge's nagging behavior has been reinforced in an example of:

A) escape conditioning.
B) negative reinforcement.
C) negative reciprocity.
D) coercion theory.