Its alliteration for the following example
Synonyms for Make up would be comprise, for look forward would be look ahead, and get up would be rise.
Margaret Frink described crossing the tumultuous river very exciting because it was a unique experience, with some difficulties they had to face on their way, but when they finally arrived she felt relieved and safe. She says that "the danger in crossing consisted of the continuous shifting of the sandy bed".
Answer:
The punctuation mark that used to show ownership is
B. Apostrophe