The answer is
- taking a long journey
- getting help from a powerful being
- fighting a strong antagonist
Well, it is asking you to compare Sarah's limping to something.
There are many possible answers, just think of things that limp.
Sarah limped along the road like an injured dog.
Sarah limped along the road like someone with a broken foot.
Sarah limped along the road like an elderly woman.
You don't list any choices, but colloquialisms are used in informal speech. Hope it helps.
can you please what to do now does I have to write the full story