When Martin Luther objected to the Catholic church, what was his original issue?

a. A vernacular Bible

b. An end to celibacy

c. The sale of indulgences

d. The display of relics

C.) The sale of indulgences.

Martin Luther King's original issue against the Catholic church was the sale of indulgences.

Other issues were the Church was rich and exhibits pluralism, the practice of holding one position in the church at one time.