A chipmunk twitched his tail as he lay hidden deep under the fallen leaves. It was
cold outside, wintertime was approaching, but he was snug in his den in the woods,
tucked underground beneath a fallen log and covered by a crunchy carpet of faded
autumn leaves.
The phrase "covered by a crunchy carpet" is an example of (choose all that apply):
a simile
hyperbole
alliteration
a metaphor