To Keep Himself from Getting Mosquito Bites When He Mows

Multiple Choice

To keep himself from getting mosquito bites when he mows the lawn, Kevin always sprays himself with an insect repellent before he starts mowing. Using operant conditioning terms, this is an example of:

A) positive reinforcement.
B) negative reinforcement by avoidance.
C) extinction.
D) negative reinforcement by escape.