What is the most prominent figurative language element in this excerpt from the poem “The First Snowfall” by James Russell Lowell?

Every pine and fir and hemlock
Wore ermine too dear for an earl,
And the poorest twig on the elm-tree
Was ridged inch deep with pearl.

A.
simile
B.
alliteration
C.
synecdoche
D.
personification
E.
hyperbole