The correct answer is C) Joseph Goebbels.
The Nazi propagandist that claimed that Jews were the source of all German misery was Joseph Goebbels.
Joseph Goebbels (1897-1945) was the Minister of Propaganda of Adolph Hitler. He played a key role in spreading ideological and propagandistic messages throughout Germany to support Hitler and the Nazi Party. He was the bright mind that created the image of Hitler and organized the massive events in which Hitler delivered his speeches.