A Young Boy Has Been Told by His Dentist to Stop

A young boy has been told by his dentist to stop eating candy because the sugar is ruining his teeth.The boy still cannot help himself.Whenever he finds candy in his house,he quickly devours it all.To help stop the boy from eating the candy,his mother allows him to "find" several candy pieces that she has dipped in hot chili sauce.Which type of treatment approach is the mother using?

A) aversion therapy
B) implosion therapy
C) client-centred therapy
D) systematic desensitization