The Significance of Kennewick Man Was That

The significance of Kennewick Man was that

A) his remains showed a European presence in North America from about 9,000 BCE
B) it was proof that Europeans were some of the earliest peoples to arrive.
C) his remains proved that Europeans and Asians evolved from a similar background.
D) his discovery proved that the first peoples arrived on the West Coast in what is now Washington.
E) his discovery called into question several assumptions that scientists had long held about the physical characteristics of early settlers in the Paleo-Indians era.