The Dentist-Employer Meets with the Dental Hygienist-Employee at the End

The dentist-employer meets with the dental hygienist-employee at the end of the workday;the dentist informs the dental hygienist that his employment is terminated effective immediately,requests the hygienist's office keys,and states that a final paycheck will be mailed to him directly.Assuming that the employer's actions are legal,which of the following most accurately describes this situation?

A) The dental hygienist is an at-will employee,and the termination is appropriate.
B) The dental hygienist cannot be terminated without 2 weeks' notice.
C) The dental hygienist is a contractual employee and must receive 2 weeks' notice.
D) The dental hygienist is having his legal rights violated.
E) None of the above are correct.