Which of the Following Is the Best Example of Extinction

Which of the following is the best example of extinction as the term is used in reinforcement theory?

A) A manager uses very harsh negative reinforcements to punish an employee for undesirable behavior.
B) An employee refuses to do a certain task because she does not value the reward that she will receive for its successful completion.
C) An employee expresses frustration and quits because he feels management has set goals that are impossible to attain.
D) A manager decides not to take any specific actions against an employee who has engaged in undesirable behavior.