eleventh century the Byzantine military forces

　　（A） had reached their peak and begun to decline

　　（B） had eliminated the Bulgarian army

　　（C） were comparable in size to the army of Rome

　　under Augustus

　　（D） were strong enough to withstand the Abbasid

　　Caliphate's military forces

　　（E） had achieved control of Byzantine governmental

　　structures

　　4. It can be inferred from the passage that the Byzantine

　　Empire sustained significant territorial losses

　　（A） in 600

　　（B） during the seventh century

　　（C） a century after the cultural achievements of the

　　Byzantine Empire had been lost

　　（D） soon after the revival of Byzantine learning

　　（E） in the century after 873

　　5. In the third paragraph， the author most probably

　　provides an explanation of the apparent connections

　　among economic， military， and cultural development

　　in order to

　　（A） suggest that the process of revival in Byzantium

　　accords with this model

　　（B） set up an order of events that is then shown to be

　　not generally applicable to the case of Byzantium

　　（C） cast aspersions on traditional historical

　　scholarship about Byzantium

　　（D） suggest that Byzantium represents a case for

　　which no historical precedent exists

　　（E） argue that military conquest is the paramount

　　element in the growth of empires

　　6. Which of the following does the author mention as

　　crucial evidence concerning the manner in which

　　the Byzantine revival began？