Answer:
c. to convey the impressiveness of Palo Duro Canyon State Park
Explanation:
I believe it is an oxymoron
Dramatic irony is when the audience are aware of something, but the characters don't. For example, In Shakespeare's <em>Macbeth, </em>Duncan is talking about how Macbeth is so great. We know that Macbeth is actually planning to kill Duncan, but Duncan himself doesn't know this.
A dependent clause adds something to a sentence but cannot be a standalone sentence, hence "dependent." In this sentence, "when I had... phone" is a dependent clause.
