What can be learned about Odysseus from the defeat of himself and his men at ismarus

It shows that greed can bring great unhappiness.

Explanation:

The men had received treasures. If they had been satisfied with only that, they could have returned home to Ithaca as happy and fulfilled men. But, because of their greed, many of the men did not return home at all.

since it is asking for her reaction to elnora's trouble at school you can rule out any answers with a positive response (b). then you can rule out (d), this is because it does not show the mother's reaction but the daughter's response. that leaves you with two options (a) and (c), by looking at the options you can rule out (c) because it isn't referring back to elnora's issues at school.