Researchers Have Found That Animals Show Evidence of Classical Conditioning

Multiple Choice

Researchers have found that animals show evidence of classical conditioning if they are injected with a drug that chemically causes immunosuppression while they are simultaneously drinking an unusual-tasting liquid. In these studies, the conditioned response would be ​

A) the immunosuppression.
B) the taste of the liquid that is used.
C) the injection of the drug.
D) fear of the injection process.