Question: Recent discoveries at the Cuncaicha rockshelter and Pucuncho quarry site provide evidence for which of the following?
A: Paleoindians inhabited a wide diversity of habitats, including some of the highest elevations in the New World.
B: Paleoindians were primarily adapted to coastal regions and interior grassland habitats, where they could hunt large mammals.
C: Paleoindians used the best quality obsidian to make microblades and fluted points for hunting large mammals.
D: Paleoindians followed a coastal migratory route to enter the New World and spread across South America, where they lived mostly in rockshelters and caves.
Please eliminate two incorrect options first, then think it step by step and choose the most proper one option. Write your response with exactly 4 paragraphs, separated with the markdown divider: ***.
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