Which of these excerpts from “once in a lifetime” by jhumpa lahiri best exemplifies an exploration of diversity within socioeconomic status?

a: in my quiet, complicated way i continued to like you, was happy simply to observe you day after day
b: on one side was the life we'd always led, my parents taking me to star market every thursday night, treating me to mcdonalds afterward.
c: my parents felt slighted by your parents' extravagant visions, ashamed of the modest home we owned.
d: the brief application of lipstick seemed to restore the composure that my sudden appearance had caused her to lose