From Comparisons of Income Distribution Studies Over Time,it Generally Appears

From comparisons of income distribution studies over time,it generally appears that

A) income is more evenly distributed in the richer nations.
B) there are few variations in income distribution among developed and developing nations.
C) comparisons over time demonstrate that income redistribution changes relatively quickly, so older data have limited value.
D) the middle quintiles in most nations are growing at the expense of the bottom 20 percent.
E) income inequality decreases in the early stages of development and reverses in the later stages.