The choices were under this question are: A. The bystander effectB. the deindividuation effectC. Social facilitationD. egoism
The answer is c. social facilitation. This explains that there are people who can perform better in front of an audience than alone. This is in effect of the presence of people can stimulate and motivate a person's capability from a simple to a complex task because of an evaluation awareness that would come after the task.