In O. Henry's "The Gift of the Magi," despite loving her long hair, Della cuts it and sells it. What motivated her to take this step?

In O. Henry's "The Gift of the Magi," despite loving her long hair, Della cuts it and sells it. The following reasons motivated her to take this step :

a. her selfless love for Jim  

d. her wish to buy a Christmas present for Jim  

Here is the citing in the text

"Only $1.87 to buy a present for Jim. Her Jim. Many a happy hour she had spent planning for something nice for him. Something fine and rare and sterling—something just a little bit near to being worthy of the honor of being owned by Jim. "

Della is a kind, caring wife and she wants nothing more than to buy a present for her dear jim. she saved up money for months to buy him a present.

Explanation:

what are the phrases to choose from?

d. murder of a son and cooking the son for a feast

procne murdered her son and served him to tereus, her husband and her son's father. she did this out of revenge. tereus raped her sister, philomela, and cut her tongue out to keep her from talking. philomela managed to communicate it to procne and procne sought revenge.

tantalus murdered his son and fed him to the gods because he was angry with the gods. the gods punished him by putting him in a pool of water that evaporates when he tries to drink and having fruit hang just out of his reach.