The correct one is the last one
With excitement, to the mailbox.
I believe there is only two in this sentence
E.Hyperbole
The water was not literally freezing. A hyperbole is a figure of speech that exaggerates something, in this case the use of a hyperbole exaggerates how cold the water is.
Subject Complements follow linking verbs, in this case 'Reporter' follows the linking verb.
