There Is Discussion of Expanding the North American Free Trade

There is discussion of expanding the North American Free Trade Agreement (NAFTA) to include other Latin American countries,called the Free Trade Agreement of the Americas (FTAA) .If you are a union member,you might object to the signing of a free trade agreement:

A) only if members of your labor pool will be adversely affected,because free trade means gains for the economy as a whole.
B) only if members of your labor pool will be adversely affected.
C) only if members of your labor pool will be adversely affected,because free trade means losses for the economy as a whole.
D) if all labor will be adversely affected,because free trade means losses for the economy as a whole.
E) None of the above is correct.