Which one of the following is a correct ranking of securities based on their volatility over the period of 1926 to 2011? Rank from highest to lowest.

A. long-term corporate bonds, large company stocks, U.S. Treasury bills

B. large company stocks, U.S. Treasury bills, long-term government bonds

C. small company stocks, long-term corporate bonds, large company stocks

D. small company stocks, large company stocks, long-term corporate bonds

E. long-term government bonds, long-term corporate bonds, small company stocks