An outstanding bonds are also classified as

The correct answer is: D. seasoned bonds

Seasoned bonds are bonds that have been issued and are now trading in the secondary market. They are also known as outstanding bonds. Seasoned bonds are typically more liquid than newly issued bonds, as there is a larger pool of investors who are willing to buy and sell them.

A. Standing bonds are not a real term.
B. Outdated bonds are bonds that have reached maturity and have been paid off.
C. Dated bonds are bonds that have a specific maturity date.

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