One disadvantage of using an employee referral system for recruiting new job applicants is A. Friends and relatives of current employees should never be hired.

B. An employee referral system tends to maintain the status quo of current employees in terms of race, religion, sex, and other protected classes.

C. Employees will rarely recommend their friends and relatives, even if the employees are satisfied with their work environment.

D. Referrals rarely work out and the effort involved in setting up such an inhouse program rarely pays off.