[Solved] An investor who "writes" a call option against stock held in his or her portfolio is selling a(n) A) Straddle option. B) Put option. C) Out-of-the-money option. D) Naked option. E) Covered option. Conservation: The practice of protecting the natural environment and preserving natural resources from loss, degradation, or waste. Frontier: The edge of a settled area, or the boundary between the known and unknown, often associated with westward expansion in American history. Railroads: Systems of tracks along which trains run, a major form of transportation for both goods and passengers, historically significant in the development and expansion of countries. Development: The process of economic growth, expansion, or realization of social and cultural potential within a country or region.