Darwin's conception of early prehistoric humans as confident, clever hunter-gatherers has long dominated anthropology. ███
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The author's primary purpose in ███████ ███ ███████ ██ ██
differentiate between outdated ███ ████████████ ████████ ███████
The passage doesn’t compare different research methods. Although we learn about a new method, taphonomy, we don’t get any comparison to other methods.
expose the preconceptions ██████ ████████ ████████
This ignores the passage’s focus on the researchers’ hypothesis about early hominids. (B) is a good description of the purpose of P1, but not the whole passage.
present a narrative ██ ███ ██████████ ██████ █████ ████ ████████
The passage isn’t focused on telling a hypothetical story about historical events. The passage is focused on presenting a hypothesis about early hominids. A hypothesis isn’t a narrative of events.
explain the basis ███ █ ███████████ ████████ ██ █ ███████
This is the best answer. The passage discusses taphonomy, which is the basis for a “revisionary approach” to the subject of early hominids. The “revision” is the new hypothesis that they were mainly scavengers rather than hunters.
describe how a ███ ██████ ███ ████████ ███ ███████████ ███
The new theory about early hominids has not yet “replaced” the traditional one. We don’t know that anyone besides the researchers discussed accepts the new theory.