Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

If interest rates are expected to increase, the coupon payment structure most likely to benefit the issuer is a:
Option A:step-up coupon.
Option B:inflation-linked coupon.
Option C:cap in a floating-rate note.

Answer: C