The United States Is the World's Leading Grain-Producing Nation

The United States is the world's leading grain-producing nation. Exporting U.S. grain causes the

A) domestic consumption of grain to rise because of the added foreign demand.
B) price of grain in the domestic market to fall because foreigners are now taking some of the domestic demand.
C) price of grain to domestic consumers to rise because of the added foreign demand.
D) standard of living of foreigners to fall because they lose purchasing power.