Donald Johanson, Tom Gray, and others discovered a hominid that lived in East Africa__________ million years ago and nicknamed her Lucy, whose scientific name they gave as __________.
(A) 35, Homo habilis
(B) 3.5, Homo africanus
(C) 5.5, Australopithecus africanus
(D) 3.0, Australopithecus afarensis
(E) 5.5, Australopithecus boisei