How Did Luther Counsel Secular Rulers to Respond to the Peasants

How did Luther counsel secular rulers to respond to the peasants' revolt in light of his position on their role?

A) Since the rulers were responsible for public order, they were obliged to put down the revolt with extreme prejudice.
B) Since the rulers were being punished by God for their sins, they should do nothing to stop the peasants.
C) Since the rulers were responsible for their subjects, they should do everything in their power to help the peasants.
D) Since the rulers were God's spokesmen on earth, they should preach and persuade the peasants to lay down their arms.
E) Since the rulers were members of the noble class, they should not get involved in the affairs of their social inferiors.