The earth's resources are being depleted much too fast. To correct this, the United States must keep its resource consumption at present levels for many years to come.

The argument above depends on which of the following assumptions?
(A) Per capita resource consumption in the United States is at an all-time high.
(B) The United States wastes resources.
(C) The United States uses more resources than any other country.
(D) The United States imports most of the resources it uses.
(E) Curbing U.S. resource consumption will significantly retard world resource depletion.

OA E - Why not C