Growing Income Inequality Is a Result Of

Growing income inequality is a result of:

A) the wages for skilled workers being bid up by the labor market and the wages for unskilled workers being discounted.
B) decline in the value of the dollar as compared to other currencies and consequent increase in inflation levels.
C) rising unemployment levels in both developed and developing nations due to large-scale migration from developing countries to developed nations.
D) decreasing investment in education which in turn reduces the supply of skilled workers.