Question

Unlike New World monkeys, hominines 

Answer 1

Unlike New World monkeys, hominins D. HAVE OPPOSABLE THUMBS.

Thumbs are called opposable because they can be moved around to touch the other fingers, giving the ability to grasp things.

This ability is shared by Old World monkeys, apes, and humans.

Hominin is the group which consists of modern humans, extinct human species and all immediate human ancestors like those in the genra Homo, Australopithecus, Paranthropus and Ardipithecus