Q.) Those who study ancient European history soon realize that before Greece was Greece,
it was a collection of small city-states that were intensely jealous of one another and were
only occasionally able to work together for common goals.

a) before Greece was Greece, it was a collection of small city-states
b) before there was Greece, it was a collection of small city-states
c) before Greece, it was a collection of small city-states
d) it was a collection of small city-states that was Greece
e) Greece became a collection of small city states

Someone explain...