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. large company stocks, U.S. Treasury bills, long-term government bonds
B. small company stocks, long-term corporate bonds, large company stocks
C. long-term government bonds, long-term corporate bonds, small company stocks
D. small company stocks, large company stocks, long-term corporate bonds
E. long-term corporate bonds, large company stocks, U.S. Treasury bills