Is It Necessary for an Employer to Have a Genuine

Is it necessary for an employer to have a genuine need when sponsoring an employee for an immigrant visa?

A) No, it is the employer's decision how to spend his or her money.
B) No, because the need might arise at a later time anyway.
C) Yes, because the law is designed to prevent any aliens from learning skills that U.S.workers know.
D) Yes, because the law is designed to prevent alien workers from gaining employment-basedimmigration under false pretenses.