The Sixth-Century "Plague of Justinian" Was

The sixth-century "plague of Justinian" was

A) an economic crisis caused by the emperor's economic policies.
B) the death and destruction caused by Justinian's marauding armies.
C) the moral decay and social class struggle in the empire.
D) an outbreak of bubonic plague during Justinian's rule.
E) a further divide between the Western and Eastern churches.