All prehistoric paintings have been found in the deep recesses of the caves. Thus, option A is correct.
What are paintings?
Painting is the process of applying paint on a surface that can be a canvas to depict something or to showcase a time, emotion, or scene.
The deep chambers of the caverns are where all the prehistoric artwork was discovered because that was where the people used to live and that too in the inner fold so that they can examine and the people coming behind them that is next generation can also know about it. Therefore, option A is the correct option.
Learn more about paintings, here:
brainly.com/question/16924169
#SPJ1