Which Sentence Best Describes the Historical Concept of Late Antiquity

Which sentence best describes the historical concept of Late Antiquity introduced in Chapter 6?

A) Late Antiquity is defined by the triumph of Christianity in the Roman world, broad cultural assimilation, and the influence of "barbarian" culture.
B) Late Antiquity is characterized by the continuing influence of Greek, Roman, and Near Eastern cultural motifs in Europe.
C) Late Antiquity represents the triumph of Stoic philosophy in the late Roman Empire.
D) Late Antiquity is basically a synonym for the Middle Ages, the period stretching from the birth of Christ to the death of Diocletian.
E) all of these