Answer: B. the main shapes or subjects in a painting
The main shapes or subjects in a paintings are called positive shapes.
Explanation:
Positive shapes are the shapes of the actual objects and negative shapes are the distance between the objects.
The positive space is the area covered by the actual painting or drawing or the actual actual representation of the object and the negative space is the space filled in by the object for example, The positive space is the actual drawing of the window frame and the negative space is the window space.
