第31题: [单项选择]If a stock is selling for $25, the exercise price of a put option on that stock is $20, and the time to expiration of the option is 90 days, the minimum and maximum prices for the put today are : 参考答案:B 答案解析:You know that the minimum value is zero, so this narrows the answer down to two choices. You also kn
第36题: [单项选择]Why is the reading system for the blind called the Braille A. Because no people would make friends with them. B. Because no relatives would like to live with them. C. Because there were no books for them to read and they couldn’t know many things by feeling or hearing only. 参考答案:C