Answer:
Well you can automatically cross out the first three so that leaves D.
Answer:
By sympathizing with the young couple.
Explanation:
The whole story is narrated mainly in third person. There are a few times where the narration shifts into first person but the narrator does not seem to be another character in the story and does not expand his view beyond Della's.
With each choice comes a consequence. No amount of rationalizing or complaining will alter the consequence. If you pick up one end of a stick (choice), you also pick up the other end of the stick (consequence of that choice). There is a human desire to be miraculously delivered from the consequences of an action.
Be interested in what the person is talking about, maintain good eye contact, and actually pay attention to what the person is saying.