How is Bison at a cave at Altamira different from the Hall of Bulls at the Lascaux Caves?

A. The artists painted the bodies of the bison on natural bulges in the cave's walls and ceilings
B. The artists used modeling to shape clay into the bodies of the bison before applying paint
C. The artists engraved the bodies of the animals into the surface of the cave walls
D. The artists surrounded the herd of bison with stylized depictions of human figures

Answer: A