I believe the answer is idiom, the phrase is not comparing anything so simile and metaphor is out of the question, also personification is giving a non living thing human characteristics.
Answer:
In the context of the sentence, fancied means that she believed or imagined that the shadows had tricked her.
Explanation:
Hope this helps!
You should keep that food around 33-35c
Seeds begin as a very small object or device, just like our courage. We only need a tiny little seed of courage for it to grow, and once you give that little courage it continues to grow.