Final answer:
A girl pleads with Annie to stay, but Annie gently clarifies that as she grows older, she needs to work for a living, capturing the scene's dynamic.
Step-by-step explanation:
The best summary of the scene from "The Miracle Worker" is the one where one of the girls encourages Annie to stay, and Annie explains that it is time for her to begin working. This summary accurately captures the essence of the exchange between Annie and the smallest child, Sarah, who is mournful about Annie's departure. Annie affectionately reassures Sarah and explains the practical necessity of taking a job to earn a living, highlighting the theme of growing up and facing responsibilities.