In the United States for the Last 40 Years, the Nominal

In the United States for the last 40 years, the nominal interest rate

A) and real interest rates both decreased in almost every year.
B) and real interest rates were both constant in almost every year.
C) was constant in most years and the real interest rate fluctuated.
D) exceeded the real interest rate in virtually all the years.
E) exceeded the real interest rate in about one half of the years and the real interest rate was greater than the nominal interest rate in the other half of the years.