Which of the Following Statements Is Most Accurate

Which of the following statements is most accurate?

A) In the event of default,the assets not pledged as collateral for outstanding bonds can be used to pay off the holders of subordinated debentures before more senior debt has been paid off.
B) Even though more than one debenture might be outstanding,the bondholders all have the same priority in claiming assets in the event of default.
C) When a firm conducts a subsequent debenture issue that has lower priority than its outstanding debt,the new debt is known as a subordinated debenture.
D) Most debenture issues contain clauses restricting the company from issuing new debt with equal or lower priority than existing debt.
E) Debentures are a type of secured corporate debt with maturities greater than 10 years.