While Brooks often wrote lyric poetry, Wingspanninson experimented with a range of poetic forms, including narrative, free <span>verse, and sonnet, among other things as well. </span>
The phrase <em>the antique fire truck </em>is used as a complete subject, because you are including all of these words to form a subject, so it cannot be a simple one (just one word). It isn't a compound subject either, because that would be two or more words connected with a conjunction <em>and, </em>or some other one.
This type of figurative language is a simile. This person is is being compared to a hornet, which aren't "mean" insects.
D is incorrect because it is a run-on sentence.