Please select the best answer from the choices provided: A, B, C, or D.
The correct answer is C. Realistic art, as it is not a distinct category of art like the others listed. Representational, abstract, and objective arts all have recognized roles as forms in art.
When discussing forms of art, it's important to understand the distinctions between different categories of art:
Among these options, realistic art is often used interchangeably with representational art. However, it is a specific approach to representational art that emphasizes lifelike representation. Therefore, while realistic art is a recognized concept, it is not a standalone category in the same way that the others are categorized; hence it can be considered "not a category of form in art" in this context.