According to the historian Lucy Dawidowicz, what impact did ancient and medieval anti-Semitism have on the culture of Nazi Germany?

AAncient and medieval anti-Semitism caused the Holocaust.
BAncient and medieval anti-Semitism explains why Hitler created the death camps.
CAncient and medieval anti-Semitism paved the way for Hitler’s rise to power, but

without Hitler the Holocaust would not have happened.

DAncient and medieval anti-Semitism motivated the German people to betray Jews

and turn them in to the Nazis.