Why Did Jan Hus's Ideas Gain Such a Large Number

Why did Jan Hus's ideas gain such a large number of followers in Bohemia?

A) His ideas tapped into the resentments of the Czech majority against the dominant and largely urban German-speaking minority.
B) His doctrine of justification by faith minimized the ecclesiastical power of the unpopular Bohemian church hierarchy.
C) John Wycliffe's ideas had spread throughout Bohemia several decades earlier, thus providing fertile soil for Hus's ideas to grow in.
D) Church leaders tolerated the spread of Hus's ideas.