The correct answer is D. good, fair and righteous popes and clergy.
Explanation:
The correct answer is D, because the Reformation started because of the deviant phenomena inside the Catholic church. Corruption and greed were eating the church from the inside and that is why certain people inside the church believed it needed changes.
That is of course why option C is not correct answer.
A and B are also not correct because Protestants believed that people don't need a mediator in their relation to Good.
