Read the excerpt from "Egyptian Tombs: A Grave Matter.” From the twenty-fifth century BCE, pharaohs’ tombs were located inside grand pyramids. The pyramids served as giant grave markers; however, they also served as treasure markers for grave robbers. These wicked people would strip the tombs bare of all valuables. Then they would sell the stolen items for a large amount of money. Stealing from the dead was bad enough, but for the ancient Egyptians, the act also threatened the pharaoh’s afterlife.

Based on the details in the excerpt, what conclusion can be drawn about the pharaohs of ancient Egypt?

A: They went to great lengths to ensure that their tombs were prepared for the afterlife by placing valuables inside.
B: They liked the pyramid shape, so they used it as a tomb.
C: They thought that giant grave markers would protect them against grave robbers.
D: They placed more emphasis on their current lives than on their afterlives.