If the geographical condition of an area is “water stressed,” what is a preferred public policy for that area?A．Build good roads, rail to the port; maintain relations with coastal neighbors, etc.B．Scale up public health interventions to control climate-related diseases.C．Examine and develop alternative options for domestic energy sources, such as geothermal, hydro, wind and solar power; emphasize energy efficiency.D．Emphasize irrigation, specialize in crops that do not require huge amounts of water.