单选题 An investor who bought a floating-rate security and wishes to establish a minimum periodic cash flow on his investment could:

A、

A. buy an interest-rate floor.
B、

B. sell an interest-rate cap.
C、

C. buy an interest-rate cap.

【正确答案】 A

【答案解析】The buyer of a floor will receive a payment when the floating rate is below the floor rate, effectively establishing a minimum rate on the floating rate security.