Which excerpt from Number the Stars best supports the belief that the Rosens will return to Copenhagen?

In "Number the Stars," the excerpt that best supports the belief that the Rosens will return to Copenhagen is when Annemarie reflects on her hope that her friend, Ellen, and her family will come back once the danger has passed. This sentiment expresses the bond between the characters and the hope for freedom and safety in their homeland. Annemarie's determination to keep Ellen's memory alive further emphasizes her belief in their eventual return. The overall tone of hope and resilience reinforces the idea that the Rosens will one day return.