The answer that is not correct is (D) Jews began migrating to Germany after the end of World War I. Jews were an ancient culture that developed a taste for knowledge, business and philosophical thinking.
Jews started to arrive to Europe during the Middle Ages and people had mixed feelings when it came to them because of their superior knowledge and their business abilities. People in Europe did not trust this outsiders who were culturally and religiously different from them.
During the 19th century Jews in Europe started abandoning some of their old cultural habits and started to assimilate some more European customs. This assimilation brought backlash for them because people did not like Jews mimicking Europeans.