Paleontologists believe that fragments of a primate jawbone unearthed in Burma and estimated at 40 to 44 million years old provide evidence of a crucial step along the evolutionary path that led to human beings.
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Aat 40 to 44 million years old provide evidence of
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Bas being 40 to 44 million years old provides evidence of
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Cthat it is 40 to 44 million years old provides evidence of what was
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Dto be 40 to 44 million years old provide evidence of
分析该选项
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Eas 40 to 44 million years old provides evidence of what was
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