The correct answer is letter d. At the Council of Trent, the Catholic Church reaffirmed almost all of the doctrinal claims that Protestants criticized; this was a Catholic council that met in intervals from 1543 until 1563 it was gathered by Paul III; the settlement taken at Trent (a provincial capital of the Holy Roman Empire, located in Italy) provided the foundation on which a new Catholic Church would be constructed; debated some form of compromise with Protestantism, it ended by reaffirming all of the Catholic tenets challenged by Protestant critics