Concept:Rocks that store underground water must have open spaces to hold it and allow water to flow through.Explanation:Permeable rocks contain pores, cracks, or joints through which water can enter and be retained.These water-bearing rocks form aquifers.Impermeable, crystalline, and compact rocks do not have such openings, so they cannot store underground water.Hence, the rock with the capacity to retain underground water is a permeable rock.Answer:D. permeable