A Recent Publication Referred to a Series of Bonds as "The

A recent publication referred to a series of bonds as "the 6s of 25."

A) This means that they were issued in 2006, and they mature in 2025.
B) This means that any bond in this issue, whose series' numbers end in "6" are callable in the year 2025.
C) This means they are 25-year bonds, that were due in 2006.
D) This means they pay 6% interest and they mature in 2025.