contingency provision是什么东西？

问题如下：

“Four years” and “MRR plus 250 bps p.a.” refer, respectively, to which bond features as of the settlement date?

选项：

Time to maturity and coupon rate

Coupon frequency and current yield

Time to maturity and contingency provision

解释：

A is correct. The notes mature (the date Antelas AG will pay the final coupon and principal amount) four years after the trade settlement date, and the coupon rate is variable, determined by the MRR plus a fixed 250 bp spread.