Which of These Statements About Emotional Labour Is FALSE

Which of these statements about emotional labour is FALSE?

A) Display rules are norms requiring employees to display certain emotions and withholding others.
B) Emotional labour increases with the extent to which employees must abide by emotional display rules.
C) Most jobs involving customer service require some degree of emotional labour.
D) In spite of the presence of emotional display rules, it is difficult to hide our true emotions.
E) Research indicates that emotional display rules and standards are very similar around the world.