What is the point of convergence?

A) where the z-axis meets the 3D axis
B) where the pictures of the left-eye camera and the right-eye camera meet the eye positions of the viewer
C) where the pictures of the left-eye camera and the right-eye camera diverge in off-screen space
D) where the pictures of the left-eye camera and the right-eye camera overlap perfectly
E) where the pictures of the left-eye camera and the right-eye camera converge at the horizon line

D