Which of the Following Statements Most Accurately Represents the Factors

Which of the following statements most accurately represents the factors that encourage social loafing among groups instead of social facilitation effects?

A) the ability to evaluate what members are contributing to a task
B) evaluation apprehension among all group members
C) the belief that one's effort is not mandatory for the group's success and that individual contributions cannot be assessed
D) when no member of the group is an expert, with the result that the effort and effectiveness of each member are reduced.