The answer is a. He discusses how our ancestors practiced rites of propitiation.
This option suggests that Livingston links Neanderthal and Cro-Magnon life to his discussion about religion by highlighting the early forms of religious practices, such as rites of propitiation. This is a common perspective in anthropological studies, where early human societies are believed to have engaged in rituals to appease or communicate with spiritual entities, indicating the presence of religious behavior.
This option implies that Livingston focuses on the exclusivity of religious practices among early humans. However, there is little evidence to suggest that early human religions were exclusive in nature, as they were more likely to be communal and inclusive, serving the needs of the entire group.
This option suggests that Livingston argues religion is a modern phenomenon, which would not align with the idea of linking Neanderthal and Cro-Magnon life to religious practices. Evidence of early religious behavior, such as burial rituals and symbolic artifacts, indicates that religion has ancient roots.
This option implies a complete divergence in religious practices between ancient and modern humans. While there are differences, the continuity of certain religious elements, such as rituals and beliefs in the supernatural, suggests that there are connections rather than complete differences.