Answer:
It's D.
Explanation:
Just think about it, visual effects designers do more complex work: other than sketching. Cartoonist are more likely to create a story board because Cartoons are animated and mostly require the storyboards themselves. So It's an obvious D.
<span>An artist can use color to indicate depth. when a color is very pure and intense then it seems to be closer.</span>
Try re-watching the video and looking at the cords their using