Unluckily, you missed to show her the choices in which we can choose our answers from. However, it must be noted that for oral presentation, one must be very knowledgeable about the topic at hand and be able to present it well by being confident in front of the audience.
The answer to this question is b.
The author writes about all the precautions Nancy takes before entering the hotzone. She puts on different layers of attire to keep her safe showing it is a hazardous place.
As much as Sammy seems to disapprove of them, he knows the rules in the A&P. After describing at length how much skin Queenie is showing above the top of her bathing suit and how white her naked shoulders are, he finally describes her hair, face, and how she holds her head. Her hair is in a bun, which, although "unravelling," is still a more conservative hairstyle. Her face, he says, is "kind of prim." Thus, Queenie's hairstyle and expression look proper. She also "held her head so high her neck ... looked kind of stretched, " which suggests to him she is elegant and self-contained, and which only enhances her beauty to Sammy. Since the rest of her is at odds with A&P propriety, Queenie's proper hairstyle,"prim face," and confident posture may act as a shield against the shocked looks of other customers. The contrast also suggests that looking at Queenie as either proper or improper may be simplistic, when he has never seen her before she entered the store.
