During the Period of Great Crisis, the Church Came into Conflict

During the period of great crisis, the church came into conflict because

A) there was a conflict among kings over who was the legitimate Holy Roman Emperor.
B) secular governments chose to accept the authority only of Benedictine monks.
C) in the aftermath of the papal crisis, the papacy was forced to redefine its place in the political sector.
D) the religious center of Christianity was moved to Paris.
E) popes and patriarchs vied for the power in the Christian Church.