A. Debenture bonds are bonds that do not have collateral behind them. Debenture bonds have the same rank as other bonds.

B. Debentures are bonds that are not supported by any collateral. They are not a form of collateral similar to trust certificates that do have collateral.

C. Debentures are a type of bond that have no collateral behind them. They are supported only by the company that has issued these bonds, and their full faith and credit.

D. Debenture bonds are bonds that do not have collateral behind them. The payment of interest only when earnings permit is a characteristic of an income bond.