Answer:
A, B and D aren't really that interesting. C is the best option!
I would go with the author points out that the eyes reveal the essential characteristics of a person.
Hey! We need the numbers to do so!
Your answer is C.
This is why:
So, Mathilde is very disappointed with how poor she and her husband are. We can tell by how she lusts and longs for the things she cannot afford. She longs to have these nice things, but cannot have them. She longs to be rich, but she is just simply not.
Hope this helps :)