The correct answer is D. None of these.
French polish is a finishing technique for wood that uses a series of thin coats of varnish that are applied and buffed to a high shine. It is a very labor-intensive process, but it can produce a beautiful finish.
Oil paint is a type of paint that uses oil as a binder. It is a slow-drying paint that can be applied in multiple layers to create a rich, opaque finish.
Distemper is a type of paint that uses water as a binder. It is a quick-drying paint that is often used for interior walls.
Spirit varnish is a type of varnish that uses alcohol as a solvent. It is a fast-drying varnish that is often used on furniture.