Which figure of speech is used in this excerpt from act 1 of Shakespeare's Romeo and Juliet?


ROMEO: O, she doth teach the torches to burn bright!

It seems she hangs upon the cheek of night

Like a rich jewel in an Ethiope's ear;

Beauty too rich for use, for earth too dear!


a. oxymoron

b. allusion

c. simile

d. metaphor

e. pun