Snoring and loudly
That’s the answer
Each guide was helpful, but we forgot to thank them.
You should use the plural pronoun, because we don't know whether the guides were only males, or females, or whether there were both sexes.
I believe the correct answer from the choices listed above is the second option. An example of dramatic irony <span>is when the audience knows that the play s main character is making a big mistake, but the character does not realize it. Hope this answers the question.</span>