Answer: A.Trento council
Explanation:
The Council of Trent was the Church's direct response to the Reformation in Europe. The council was held in the middle of the 16th century in Italy. Council confirmed some of the Catholic Church's basic dogmatic norms, such as the Church's teaching on salvation, sacraments, and the biblical canon. The Church has also established certain elements around conducting Mass. Parliament participants unanimously condemned the reformist ideas proclaimed throughout Europe.
