How Have Inflation Adjusted Median Incomes Changed Since 1970

Multiple Choice

How have inflation adjusted median incomes changed since 1970?

A) They grew slightly in the 1990s only to decline in the early 21^st century
B) They grew dramatically until 1990 and then declined dramatically
C) They have consistently grown each decade
D) They have consistently declined each decade
E) They declined until the late 1990s and then grew dramatically