I believe the answer is A
Answer:
Scratchboard
Explanation:
Scratch boards are made of several layers that you chisel into with a Scratch awl to make art. Usually the top layer is black with the layers underneath being white.
Shading is showing the objects' roundness or shape; shade is the blocking of a light source; and shadow is the variation between black and white with the darkest part at the center and the 'shadow' fades at the edges.
