The Fact That Modern Native Americans Share Certain Genetic Markers

The fact that modern Native Americans share certain genetic markers with indigenous populations in southern Siberia,but not with others,is evidence that

A) the ancestors of modern Native Americans migrated from Siberia to the Americas.
B) the ancestors of Native Americans migrated from Europe to the U.S.east coast.
C) the ancestors of modern Siberians migrated from the west coast of the U.S.to Russia.
D) Mitochondrial Eve lived in Siberia and her descendants migrated to the U.S.