The author quotes from The Nation, most probably in order to ______.

A．All multinational corporations have their headquarters based in North America.
B．Labor is an important [actor in determining the sites of factories to be built.
C．Japanese multinational corporations have chosen to build their plants primarily in the eastern coast of the U. S..
D．Goods manufactured and sold by multinational corporations in local plants are viewed as imports in those countries.

A．There is free movement of goods across borders in North America.
B．East Asia is the area with the most extensive cooperation.
C．The three blocs have taken measures, to fight against competitors from the outside.
D．Ford cars running in the U.S. might be manufactured abroa