According to the passage, Bede's Ecclesiastical History of the English People contains information that A. provides context that would argue against an historical Arthur B. undermines the notion of a historical Arthur by furnishing evidence that refutes that King Arthur ever existed C. suggests that Bede's work did not fully account for events between 400 and 820 D. indirectly supports the existence of an historical Arthur E. diverges from most narratives popular during the 12th century