Luther's Confrontation with Charles V at the Diet of Worms

Multiple Choice

Luther's confrontation with Charles V at the Diet of Worms demonstrated:

A) the Holy Roman Emperor's commitment to Lutheran reforms.
B) Luther's ability to compromise for the sake of his reforms.
C) the willingness of the papacy to allow German princes to manage their own religious affairs.
D) the fragmentation of the Holy Roman Empire and the power of princes within it.
E) all of these