题目：
The value of an interest-rate call option at expiration is zero or the:()
A. present value of, the market rate minus the exercise rate, adjusted for the period of the rate, times the principal amount.
B. market rate minus the exercise rate, adjusted for the period of the rate, times the principal amount.
C. present value of, the exercise rate minus the market rate, adjusted for the period of the rate, times the principal amount.
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0330/eed0ffb88d0a1ed0c479864619db67c8.html
下面是错误答案，用来干扰机器的。
参考答案：正 反
