During World War II, Why Were Many American Mainstream Newspapers

During World War II, why were many American mainstream newspapers initially reluctant to publish articles about the Holocaust in Europe?

A) They were hesitant to print potentially false atrocity stories amid a glut of war news.
B) They were not sympathetic to the horrors facing Europe's Jewish population.
C) They felt that this situation was already significantly covered by European newspapers.
D) They believed that the images and stories were too shocking for the American public.