Which of the Following Is an Outcome of the Relationship

Which of the following is an outcome of the relationship between the Orthodox and Catholic Churches in the spread of Christianity throughout Europe?

A) Countries such as Greece, Serbia, and Bulgaria follow the Catholic Church, while Hungary and Croatia follow the Orthodox Church.
B) In regions geographically far from both Constantinople and Rome, Catholic and Orthodox missionaries created a type of mixture between the two traditions so as not to compete directly with one another.
C) The Catholic Church was content to allow the Orthodox Church to convert populations in Eastern Europe, so that Rome could focus its efforts in the west.
D) Countries such as Greece, Serbia, and Bulgaria follow the Orthodox Church, while others, such as Hungary and Croatia, follow the Catholic Church.