Which of the Following Statements Concerning Urbanization Within the Byzantine

Which of the following statements concerning urbanization within the Byzantine Empire is most correct?

A) Constantinople controlled the economy and grew to enormous size, but other cities were relatively small.
B) Constantinople began to decline in population in the later years of the Byzantine Empire and was surpassed by the growth of other urban centers.
C) Like China, the Byzantine Empire was heavily urbanized with many cities numbering more than 100,000.
D) Most people in the Byzantine Empire lived in five great cities: Constantinople, Nicaea, Smyrna, Rome, and Athens.