Which of these inferences about the period leading up to Kristallnacht is best supported the text?
Answer choices for the above question
A. Hitler had been attempting to attract Jews outside of Germany to migrate and come live within his country.
B. Before the attacks of Kristallnacht, Hitler was attempting to maintain peace among citizens of Germany.
C. Leading up to Kristallnacht, all communication was cut off so that those outside Germany were completely unaware of what was happening inside.
D. Some German Jews were suspicious of the Nazi intentions even before Kristallnacht.