To analyze the painting "Landscape with Classic Ruins and Figures" by Marco Ricci and Sebastiano Ricci, the most effective question among the options provided would be:
B. How did the artist use vanishing point(s) and orthogonal lines?
This question delves into the technical aspects of the composition, allowing for a deeper understanding of how the artists employed perspective to create depth and guide the viewer's eye through the landscape. It examines the structural elements of the artwork, which is essential for analysis. The other options focus on description, interpretation, or judgment rather than the analytical examination of the painting's composition and technique.