Which of the Following Is NOT a Reason Why Organizational

Which of the following is NOT a reason why organizational citizenship behavior (OCB) may be related to organizational effectiveness?

A) Workers who help new workers speed up the orientation and socialization process.
B) OCBs lead to a positive work environment and help in worker recruitment and retention.
C) OCB is associated with higher cooperation and less conflict between workers.
D) Workers who help each other need less managerial supervision.
E) All of the above are reasons why OCB may be related to organizational effectiveness.