Part A's answer is B. to add dramatic tension by building anticipation for future events.
Part B's answer is D. She describes a visit from her friend Norma, who later admires her collection of thrift-store items and her ability to live on her own, to show readers that she has indeed become self-sufficient.
Part A to appeal to the fives senses of her readers
Part B She describes of a visit back home for Sunday dinner, which later connects with her sadly surveying her own shabby apartment, to show readers her deep fear that she will never be successful.