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.
The answer is D. Interjections express strong emotional excitement.
She want people to understand her political and world views
Her car is a two door modal that served her needs well
The answer is a.orphan because they are abandoned or neglected
