A) this is the largest population sample from this period anywhere in the world
B)fieldworkers found hyoid bones for over half of the individuals
C)each of the individuals found in the cave was covered with red ochre
D)there is clear evidence for extreme sexual dimorphism in this population
E)this provides the earliest evidence for human cannibalism

No idea, but what do you think.
try here to start your research: Atapuerca Mountains - Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Sima_de_los_Huesos)