A Contemporary Revaluation of Carbon Dating Evidence of More Recent

A contemporary revaluation of carbon dating evidence of more recent archeological evidence suggests that the first settlers may have reached North America in all of the following ways except

A) on boats following whales across the Pacific from Asia.
B) across a land bridge called Beringia following large mammals.
C) following the Pacific Coast of today's Alaska.
D) much earlier than 12,000 years ago.
E) coming from Scandinavia across Greenland in search of fish.