单选题

If a bond’s issuer is required to retire a specified portion of the issue each year, the bond most likely:

A、 is callable.
B、 is a step-up note.
C、 has a sinking fund provision.

【正确答案】 C

【答案解析】

C is correct because a sinking fund provision requires retirement of a portion of the bond issue each year, rather than retirement of the entire issue at maturity.