What is the effect of the metaphor in the following line from Romeo’s speech to Juliet from Act I, Scene 5 of Romeo and Juliet?

"If I profane with my unworthiest hand
This holy shrine,"

a. It exaggerates the fact that Romeo is looking for love and that he thinks Juliet is the answer.
b. It creates a vivid picture of Romeo holding Juliet’s hand in readers’ minds.
c. It shows that Romeo feels that he does not deserve to be in Juliet's presence.
d. It creates suspense because readers wonder what happens next between Romeo and Juliet.

c. It shows that Romeo feels that he does not deserve to be in Juliet's presence.