Answer:
A. I heard the toilet flush and scurried into an empty stall. Their giggles felt like needles.
Step-by-step explanation:
In "I'm Not Thirteen Yet," the main character struggles to fit in with the other 13 year old girls, as she she is still 12. When she overheard the 13 year old in the bathroom stall, she shared her experience saying that the giggles felt like needles, which clearly shows that she did not enjoy hearing those things.
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