Which of the Following Statements Is True of the Doctrine

Which of the following statements is true of the doctrine of employment-at-will?

A) It requires certain reports to the secretary of labor which should disclose a great deal about the financial situation of the union.
B) It has been reinforced in the past 50 years by statues such as Title VII,the NLRA,and the ADEA.
C) It is based on the laissez-faire values of the 19^th century,for it leaves both the employer and employee with maximum freedom.
D) It gives workers the right to organize and bargain collectively.