How Is Depth Implied in the Persian Illuminated Manuscript, the Court

Multiple Choice

How is depth implied in the Persian illuminated manuscript, The Court of Gayumars?

A) The sultan is smaller than his subjects, who appear larger than their leader.
B) The background is blurred, hazy, and in cool colors to suggest it's further back in space.
C) Those items that are supposed to be closest are placed toward the bottom of the picture plane.
D) The use of isometric perspective creates the illusion of deep space.
E) all of these are correct.