Fred bought 600 shares of Edgewood stock at a price of $19. The stock is currently selling for $53 a share. To protect his profits, Fred should buy

A) 600 call options with a strike price of $55.
B) 600 put options with a strike price of $50.
C) 6 call options with a strike price of $55.
D) 6 put options with a strike price of $50.

Answer: D