The human evolution timeline highlights the prime incidents in the development of the human species, that is, Homo sapiens, and the development of the human's ancestors. It comprises brief illustrations of some of the genera, species, and the higher ranks of taxa, which are witnessed at present as the probable ancestors of contemporary humans.
The timeline is based on the studies from paleontology, anthropology, morphology, and genetic and anatomical information. The correct order of the species belonging to the timeline is A. afarensis, A. africanus, H. habilis, H. erectus, and H. sapiens.
Hence, the correct answer is option C.