Which One of the Following Statements Correctly Applies to the Period

Which one of the following statements correctly applies to the period 1926-2010?

A) Large-company stocks earned a higher average risk premium than did small-company stocks.
B) Intermediate-term government bonds had a higher average return than long-term corporate bonds.
C) Large-company stocks had an average annual return of 14.7 percent.
D) Inflation averaged 2.6 percent for the period.
E) U.S. Treasury bills had a positive average real rate of return.