Sentence Correction (SC) | Re: Without hiding the fact that the destruction of Athens was one of

Without hiding the fact that the destruction of Athenswas one of their most important objectives , the multitudinous Persian army, led by Xerxes and nine of his generals, marched westward toward Greece in the spring and summer of 480 BCE.

A. was one of their most important objectives
B. was one of its most important objectives
C. was one of the objectives they considered to be most important
D. having been one of its most important objectives
E. is one of its most important objectives