Which Statement About Constantinople During the Time of ÇElebi Is

Which statement about Constantinople during the time of Çelebi is FALSE?

A) Hagia Sophia remained the most important church in the Christian world.
B) Communities inside the city were segregated by religion.
C) The success and beauty of the capital was the result of a powerful and successful government at the time.
D) Christians, Jews, Greeks, Franks, and Muslims resided within the limits of the city.
E) Mudejars from Spain found refuge in the city.