Answer: A) selective avoidance
Step-by-step explanation:
Selective avoidance is the term that is concerned with the selective exposure in which as person tends to remove or eliminate any contradictory and opposed information.This pattern is seen in events like people turning out the television, tuning out channels etc.
According to the question, Sheetal's act of changing the channel while any beauty product advertisement is displayed is example of selective avoidance.She does not want to watch these ads because she thinks that they have false claims.
Other options are incorrect because justification of the attempts , persuading people to perform certain action and believes through arousing fear and offering people less help if bystander are more is not related with Sheetal's situation.
Thus, the correct option is option(A).