Most Nights Ian Comes Home from Work, Turns on the TV

Multiple Choice

Most nights Ian comes home from work, turns on the TV, and eats a whole bag of cookies or chips. He then takes a shower and changes clothes. By supper time, he has lost his appetite. Ian realizes he is substituting junk food for supper, and wants to change this habit. To do this, he decides to shower immediately when he gets home and avoid turning on the TV until after supper. Ian will be utilizing the strategy that involves

A) breaking up response chains.
B) cues and antecedents.
C) alternate responses.
D) extinction.