19. What type of strategy would best suit an investor if he anticipated no movement in a particular stock? A. sell a call B. sell a put C. buy a straddle D. sell a straddle 20. Which type of option gives the investor the "the right to sell'"? A. buy call B. buy put C. sell call D. sell put 21. If an investor sold stock short, what type of option would provide the best protection for the stock? A.buy call B. buy put C. sell call D. sell put