Answer:
The correct answer will be option D.
Step-by-step explanation:
Hominids are the species of a large group of primates genus called Homo. The history of this genus dates back about 2.5 million years ago based on the fossils found.
In the given question to assign the species taxon to the new fossils, the study of fossils has to be done more deeply to check whether they belong to the same species or not. This could be done by studying their anatomical features in detail that is studying their bones in detail and comparing them.
Thus, option D is the correct answer.