Final answer:
Paint is an example of a nonaqueous solution as it contains a solvent other than water.
Step-by-step explanation:
A nonaqueous solution is a solution in which the solvent is not water. Among the given options, the only example of a nonaqueous solution is A. Paint. Paint is typically made up of a solvent, such as turpentine or mineral spirits, and various solutes like pigments and binders.