From What You Know of Social Loafing,if Subjects Were Asked

From what you know of social loafing,if subjects were asked to solve either simple or complex computer mazes,and were told either that their individual performances would be evaluated,or that their scores would be averaged with other participants' scores.When participants thought their scores would be averaged with another's,their performance would be expected to be _______ because they _______.

A) better on difficult mazes; were more motivated.
B) better on difficult mazes; were relaxed.
C) better on simple mazes; were relaxed.
D) worse on simple tasks; were aroused.
E) better on difficult mazes; were aroused.