【单选题】

The passage suggests that which of the following is most likely to be true of United States trade laws
A．They will eliminate the practice of "dumping" products in the United States.

B．They will enable manufacturers in the United States to compete more profitably outside the United Stats.
C．They will affect United States trade with Canada more negatively than trade with other nations.
D．Those that help one unit within a parent company will not necessarily help other units in the company.