How does the nadine gordimer's biographical introduction in paragraphs 1-8 of “once upon a time” set a tone for this short story?

a.. she describes her own loving childhood and contrasts it with her current circumstances creating a nostalgic tone.
b.. she recounts recent neighborhood crimes bemoaning her lack of her own home security system that reveals a regretful tone.
c.. by discussing her own home and its foundations, she reveals her unconscious fears and sets an intimate tone that is familiar to readers.
d.. while originally balking at a suggestion by a reader, she eventually brings resolution to her irrational fears through writing in a frank tone.