Answer:
To provide details about the story
Explanation:
How would u like this to be answered
link ......http://www.englishgrammar.org/noun-phrase-prepositional-phrase/
Are you supposed to correct the grammar?
If so, here's the answer:
Last summer, I went to France, because my aunt works there.
C. is the correct answer.
C is the only answer choice that refers to the future ("a sign, he said, a sign"). The rest of the answers refer to things happening in the present in the story, with almost no reference to the future of the plot.