George and Joan have decided to organize a union. During one of the organizational meetings in the company lunchroom, a member of management sits in the lunchroom and takes notes as to the activities. He reports back to other senior management and George and Joan are fired.

A. The firing is the result of illegal surveillance under the National Labor Relations Act.

B. The firing is a result of violation of due process

C. The firing violates their free speech rights

D. The firing is legal