I believe you are referring to the book of John in the bible
the book of john cautions against syncretism of christian religion and the holding of doctrines that are heretical.
syncretism is the mixing of various views into a culture or religion, that was spreading quickly in the early church.
Answer:
wow, Cant comprehend what I just saw...
Explanation:
my brain is burnt.
Option C i.e, Both addressed concerns with the practices of the Catholic Church is the correct answer.
We see Protestant Reformation arose against the evil practices of the Catholic Church and Clergy. Likewise Catholic Reformation or Counter Reformation arose as a reaction against the Protestantism and wanted to reform Catholic Church within.It also tried to reform the abusive practices of Catholic Church and corruption of Clergy.
Answer A. A group of countries that agree on prices for all goods exported from Europe