问题
单项选择题
Which of the following statements regarding provisions for paying off bonds is least likely correct（）
A. Nonrefundable bonds can be callable.
B. Serial bonds are an issue with several staggered maturity dates.
C. A sinking fund provision gives the company the option to retire portions of the bond issue prior to maturity.
答案
参考答案：C
解析：
A sinking fund provision is an obligation, not a right, to retire portions of the bond prior to maturity . A nonrefundable bond may be redeemable or callable through means other than refunding.