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.
-
Aat 40 to 44 million years old provide evidence of
分析该选项
-
Bas being 40 to 44 million years old provides evidence of
分析该选项
-
Cthat it is 40 to 44 million years old provides evidence of what was
分析该选项
-
Dto be 40 to 44 million years old provide evidence of
分析该选项
-
Eas 40 to 44 million years old provides evidence of what was
分析该选项
显示答案
正确答案: D