Waking up and getting motivated
Monsieur Loisel suggests that she wear flowers, but she refuses. He implores her to visit Madame Forestier and borrow something from her. Madame Forestier agrees to lend Mathilde her jewels, and Mathilde selects a diamond necklace. ... As she removes her wrap, she discovers that her necklace is no longer around her neck.
Sometimes, sunset can be viewed as "romantic". If the author wants to build a relationship the sunset is used as a pathetic fallacy (when the weather matches the mood). The sunset refers to love which will overall build their relationship.
The answer is D "No change is neccessary."