Which sentence provides the best analysis of a story's setting?

A. When the Roman centurion comes home from the Gallic Wars, he
finds that his son has disgraced him by becoming a shameful
criminal.

B. It isn't strange that the centurion in the story attacks his own son
for breaking Roman law. In Rome, a soldier's loyalty to the state was the highest loyalty.

C. Centurions during the Roman Empire were lifelong soldiers and
would often be away on conquest for many years at a time.

D. The centurion's reaction to his son's crime is likely because of his
experience in warfare, in which violence becomes so commonplace that no one thinks about it.