Which Statement Below Best Reflects Luther's Reform Program

Which statement below best reflects Luther's reform program?

A) It was intended to address primarily moral abuses in the church.
B) It reflected the concerns of a small minority, primarily in northern Europe.
C) It represented a major challenge to the church's existence, not merely a reform movement.
D) It sprang from a vacuum-the Catholic faith for several centuries was in decline; Luther's teachings were new and unheard of.
E) Luther's message was unmistakably "German,"-that is, for his countrymen and leaders.