Which of These Was Not a Major Reason for German

Which of these was not a major reason for German church support for reform within the Church?

A) the existence of many small principalities too weak to fight Church leadership
B) forced taxation by Rome
C) the charismatic sermons delivered by Martin Luther to the German poor
D) the desire of many German princes to find a just cause for challenging Roman authority
E) the anger of German government leaders that the money they sent to Rome was being used to pursue goals they did not support