Compared to a Sampling of Other Developed Nations, the U

Compared to a sampling of other developed nations, the U.S. income distribution is more unequal than many others. What accounts for this?

A) The lowest-income families in the United States earn much less than the lowest-income households in other nations.
B) Marginal income tax rates are much higher in the United States than in any other nation.
C) The highest-income families in the United States earn much more than the highest-income households in other nations.
D) Other nations manipulate their data to look better.