[Solved] An option that gives the holder the right to sell a stock at a specified price at some future time is A) a put option. B) an out-of-the-money option. C) a naked option. D) a covered option. E) a call option. Mammalian: Relating to mammals, a class of warm-blooded vertebrate animals characterized by the presence of mammary glands which females use to feed their young. Three-chambered Heart: A type of heart structure found in amphibians and reptiles, consisting of two atria and one ventricle. Circulatory System: The body's network of blood, blood vessels, and heart responsible for pumping blood to all living cells, delivering oxygen and nutrients while removing waste products. Amphibian: A cold-blooded vertebrate animal that is born in water and breathes with gills, but develops lungs and lives on land as an adult.