Which one of the following statements is correct?

1. Cro-Magnon man's fossil has been found in Ethiopia
2. Homo erectus is the ancestor of man
3. Neanderthal man is the direct ancestor of Homo sapiens
4. Australopithecus is the real ancestor of modern man

Cro-Magnon fossils have been found in Europe. Neanderthal man is a transitional stage. Australopithecus appeared in early Pleistocene.