Cancer Patients Experiencing Nausea from Chemotherapy Often Develop Taste Aversions

Cancer patients experiencing nausea from chemotherapy often develop taste aversions to the foods they had eaten earlier.Based on the research of Garcia and colleagues,researchers developed a technique for minimizing this negative effect;it involved giving a patient unusual foods,such as coconut or root-beer-flavoured candy,at the end of their last meal before undergoing treatment.Such a procedure attempts to establish the taste of the candy as a(n) :

A) unconditioned positive stimulus.
B) conditioned stimulus triggering a pleasant gustatory reaction to chemotherapy.
C) conditioned response to chemotherapy.
D) conditioned stimulus triggering nausea.