Why Were Literate Civilians in the Conquered Areas of Eastern

Why were literate civilians in the conquered areas of eastern Europe the most vulnerable?

A) Hitler and Stalin saw them as leading members of the civil society they were trying to destroy.
B) They were able to read the execution orders of the German and Soviet army officers and warn other civilians.
C) Hitler and Stalin wanted to prevent local populations from documenting the atrocities that their soldiers were committing in eastern Europe.
D) They were suspected of being spies for the Allies, as most civilians would not have had access to education.