Answer:
The correct answer is C: Delian League
Step-by-step explanation:
A i B is not correct because this alliances were created in 20th Century, during WW2.
Delian League is the correct answer because it was created by Athens and the Ionian cities of Asia Minor and the greater part of the islands in the Aegean Sea after the Greco-Persian war ended.
Athenian League didn't existed although Athens was at the head of Delian League.