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.
Symmetry is the idea of a natural shape or man made shape seeming alike or identical if it were to be split a certain way
Proportion is the idea of a shape being equal with another
Worker hours maybe? is there a multiple choice on this question?