Concept:A mortgage is a secured source of financing in which a specific asset, usually real property, is pledged as collateral.
Explanation:When a business obtains a mortgage, it receives funds from a lender.
The business pledges a particular asset, such as land or a building, to secure the loan.
The lender holds a claim on that specific asset until the loan is fully repaid.
If the borrower defaults, the lender can take possession of the pledged asset.
Bonds, debentures, and ordinary loans are not necessarily tied to a single specific asset in this way.
Answer:Mortgage (Option B).