Answer:
A solvent is a substance that dissolves another substance, option A is the correct answer.
Step-by-step explanation:
Solvents are typically liquids, but they can also be gases or solids, and they are used to dissolve, dilute or extract other substances, such as solutes, pigments, or impurities. In a solution, the solvent is the component that is present in the greatest quantity and it is responsible for dissolving the solute. Some common examples of solvents include water, alcohol, acetone, and hexane.