In the Past 20 Years the Proportion of Private Wealth

In the past 20 years the proportion of private wealth owned by the wealthiest 1% of the population has _______ and the proportion of private wealth owned by the poorest 90% has _______ .

A) stayed the same ...stayed the same
B) increased … decreased
C) decreased … increased
D) varied with both increases and decreases depending on the ups and downs of the stock market ...varied with both increases and decreases depending on the rates of unemployment