Answer: B)Negative reinforcement
Step-by-step explanation:Negative reinforcement is the way for teaching and making others understand about the particular behavior.It helps in the elimination of the bad/negative consequences in return of the stimulus.
The focused behavior gets induced and bad thing will be out of mind is the strategy behind it.Other options are incorrect as they don't work as stimulus behavior will not be take the unpleasant thoughts.Thus the correct option is option(B).