Which statement about the use of perspective in leonardo da vinci's the last supper is true? a. the vanishing point is the point of the greatest implied depth, and it is directly above the head of christ. b. the vanishing point is at the top of the head of christ, while the center of the painting is the point of the greatest implied depth. c. the vanishing point is at the center of the painting, while christ is at the point of the greatest implied depth.