The Environmental Protection Agency Claims That the United States Has

The Environmental Protection Agency claims that the United States has one of the safest supplies of drinking water in the world, but

A) 10 percent of U.S. water systems do not meet EPA standards.
B) the EPA has covered up systematic contamination of the water supply.
C) most Americans still complain of waterborne disease.
D) most of the U.S. water supply comes from desalinization plants.