Regarding research on the classical conditioning of taste aversions, which of the following ...

Regarding research on the classical conditioning of taste aversions, which of the following statements is FALSE?
 
  a. Conditioning of taste aversions can be acquired on the basis of a single pairing of the flavor with a nausea- inducing substance.
  b. Taste aversions can be acquired when the flavor is presented hours before the nausea-inducing substance.
  c. Garcia and Koelling's work on taste aversions was no surprise to their colleagues the research turned out asexpected.
 d. Garcia has applied his research to solve real-world problems. e. Conditioned taste aversions have survival benefits.