Putting "References Available Upon Request" at the End of Your

Putting "References available upon request" at the end of your résumé is

A) not necessary since the availability of references is usually assumed.
B) standard practice,and most employers will expect to see it.
C) less effective than listing the names and contact information for all references,even if the employer has not requested them.
D) necessary only when applying for government positions.
E) is less effective than listing the information in the application letter.