According to the Text,which of the Following Is a Disadvantage

According to the text,which of the following is a disadvantage of group incentives?

A) Different groups can become considerably less competitive with one another to the detriment of the entire organization.
B) The members of the group may not perceive a direct relationship between their individual performances and that of the group.
C) High-performing individuals in a group mask low-performing individuals,thus shielding them from being terminated.
D) A group may monopolize certain tasks to garner more incentives,thus limiting knowledge-sharing.