Which of the Below Statements Is TRUE

Multiple Choice

Which of the below statements is TRUE?

A) A collateral trust bond grants the bondholders a mortgage against the pledged assets.
B) A lien is a legal right to buy mortgaged property to satisfy unpaid obligations to stockholders.
C) Airway rolling stock has for a long time been regarded by investors as excellent security for debt.
D) A debenture bond is not secured by a specific pledge of property, but that does not mean that this type of bond has no claim on property of issuers or on their earnings.