How Did Upper Paleolithic People Most Likely Obtain Mammoth Bones

Multiple Choice

How did Upper Paleolithic people most likely obtain mammoth bones for building?

A) They scavenged them from sites where mammoths died naturally.
B) They domesticated the mammoths and raised them for their meat.
C) They killed the mammoths by driving them off cliffs in great numbers.
D) They dug up the bones of mammoths that had died long ago.