Answer:
B. The Eastern Orthodox church and the Roman Catholic Church
Step-by-step explanation:
The Great schism is also called East- West Schism and Schism of 1054. In simple terms it was break of communication between the Orthodox Catholic church and Roman Catholic churches. The schism lasted till eleventh century. It led to the separation of Eastern christian church and the Western Church. The Eastern church was led by Michael Cerularius and the Western church was led by Pope Leo Nineth. The excommunication was lifted in 1054.