The WTO Ruled That the U

The WTO ruled that the U.S. regulations on the fuel economy of cars sold by each manufacturer:

A) were permissible under Article XX.
B) was a permissible reaction to similar regulations imposed by the Japanese government on the automobiles imported from the United States.
C) violated the WTO rules because the imported automobiles were treated differently from domestic autos.
D) was not an issue under their purview.