To create emphasis you can show depth in your art by using

Shading-it helps show movement and depth. Dark colour-it helps show difference. Layering and overlapping-it creates a texture that make your painting/art look like its 3D.

Hope this helps!!

Explanation:

b i think if not it should be a pretty sure but not

the sculpture i am pretty sure you are talking about is the statue b. the david statue now lives in the galleria dell'accademia, florence, italy. it was made by ‎michelangelo.