The writer Angelo Pellegrini has recalled his own family's detention at Ellis Island: Those who could not pass all the exams would be detained; some would be sent back to Europe. And so their arrival in America was filled with great anxiety.

—Immigrant Kids,
Russell Freedman

Which quotation best develops the idea in the passage?

“We lived there for three days—Mother and we five children . . .”
“. . . there was this terrible anxiety that one of us might be rejected.”
“My sister was indeed momentarily rejected.”
“But fortunately, Mother was an indomitable spirit”

“... there was this terrible anxiety that one of us might be rejected.”

Explanation:

Angelo Pellegrini was a writer who became famous for his works about the pleasures of food, wine, community. With the rest of his family, he immigrated in 1913 from Tuscany to McCleary, Washington. He wrote a lot about the Italian immigrant experience.

The given paragraph tells us that immigrants were very anxious about arriving in America because of the exams that awaited them and could get them sent back to Europe if they were rejected. The quote that contains the same idea is the second one: ... there was this terrible anxiety that one of us might be rejected.

a.) it provides a clue to solve the mystery.

because they were not just any seashells they were sally's seashells