Spain's Atapuerca Mountains Hold One of the Richest Hominin Fossil

Spain's Atapuerca mountains hold one of the richest hominin fossil sites in the world. All of the following have been found in Atapuerca EXCEPT

A) a 1.2 million-year-old jawbone fragment from a species known as Homo antecessor, the oldest hominid fossil ever found in western Europe.
B) a mass grave.
C) the 780,000-year-old remains of H. antecessor, the possible common ancestor of the Neandertals and anatomically modern humans.
D) a rich system of caves that may explain why the area was so inviting for continuous human occupation.
E) the first definitive evidence of human control of fire by 500,000 B.P.