Answer:
The correct answer will be option A-living bipedal humans only.
Explanation:
Hominins are a type (tribe) of a large group of an organism called hominids which includes gorillas, chimpanzees, orangutans and humans.
Hominin today usually refers to the living beings which show bipedalism and larger cranial capacity. Bipedalism is a feature of living beings which walk on two-foot which also show the characteristic of large brain size. The only living hominin is "human beings" which belong to the genus Homo but more than one hominin was present in the history.
Thus, option A-living bipedal humans only are the correct answer.
