Which of the Following Correctly Describes the Implied Rights and Duties

Which of the following correctly describes the implied rights and duties of an employer that wishes to terminate an employment relationship without cause?

A) Employers cannot be sued provided they provide two weeks of notice.
B) Employers cannot terminate without just cause.
C) Employers may terminate but must give reasonable notice.
D) Employers may terminate provided they have "near cause" and give reasonable notice.