assume you own a call option with $70 strike price and three month until expiration. Which of the following is true.

a. you are required to buy he stock at 70 in 30 month.

b. the fair price of the option will be 70, adjusted risk-free rate

c.you have to opportunity to buy the stock at 70 in 3 months.

d. you have the option to sell the stock in 3 months.