Which of the Following Is True of the Rights of an Employee

Which of the following is true of the rights of an employee?

A) For the rights of an employee to exist, they must be contained in a formal employment contract that the employee has signed.
B) For the rights of an employee to exist, they must be spelled out at the time of appointment.
C) Moral rights of the employees are typically the result of specific laws or statutes passed by federal, state, or local governments.
D) An employee's contractual rights are based on a specific contract with an employer.