When ranking the riskiness of securities using the standard deviation, the highest risk security to the lowest risk security is as follows:

• A. Small stocks, large stocks, long-term government bonds, U.S. treasury bills
• B. Long-term government bonds, small stocks, large stocks, U.S. treasury bills
• C. Large stocks, small stocks, long-term government bonds, U.S. treasury bills
• D. Small stocks, long-term government bonds, large stocks, U.S. treasury bills