Answer:
The correct answer is option A. all of these.
Explanation:
Australopithecus afarensis was early hominin that found between 3.9 and 2.9 million years ago in southern and eastern Africa. this hominin was well built and had a slenderly body. these were thought to be closely related to the genus homo than other primates of that time. These hominins were the most studied collection of hominins.
The most famous fossil is Australopithecus afrarensis is a skeleton named Lucy which is thought to be a very intelligent species of its time.
Thus, the correct answer is option A. all of these.