This example of cave art from the Neolithic period shows a. an abstract styling with sharp lines.
b. images created with no color.
C. the interaction between animals and humans.
d. all of the above.

all of the above

Explanation:

Because the art work doesn't  have any colour and has sharp lines due to the tool used and  has animals interacting with people

answer; i believe the correct answer is (keith haring uses (no preliminary drawings or plans);