Answer:
Probably Narcissus because he was vain about something(his looks) that he didn't actually have control over, whereas Arachne was vain/proud but at least she has the skills to back it up and Niobe was just proud of her ability to have kids.
Explanation:
(a) is the answer in studying this actually!
Answer:
sandra and Michael? sorry thats the best I can do
D Mercantilism is the right answer