The correct answer is A. True.
Step-by-step explanation
The Lascaux Cave is a cave system located in France, exactly in the department of Dordogne. The main characteristic of these caves is the rock and paleolithic art. It was discovered in 1940 by four youngs who entered the caves searching their dog.
Years later, during the Second World War, the cave was opened for the public but had to be closed due to the carbon dioxide produced by visitants that affected the rock art. Nevertheless, in the decade of the eighties was made a copy of these artworks was made to be enjoyed for the general public. So, the correct answer is A. True.