PLEASE, ASAP

7) Which one of the following is true for an investor who purchased a share of stock for $45 and purchased a put option on the stock with an exercise price of $45? A) The investor profits when the stock decreases in value. B) The minimum payoff on the position is $45. C) The investor is protected against upside potential. D) Increases in the value of the stock will go to the seller of the put