Which of the Following Could Be Said About Greeks in the Sixth

Which of the following could be said about Greeks in the sixth and fifth centuries B.C.E.?

A) Greek culture was fragmented, and inhabitants of one poleis had little in common with inhabitants of another.
B) Greeks remained far weaker militarily compared to other political entities of the day.
C) The concept of a distinct Greek identity did not arise until modern times.
D) Greek identity centered on cultural rather than political unity.