The sentence should be written like.
"Our holiday should of been relaxing, but it was very stressful."
No one can answer this because we don't know what is in the article but my guess would be A
Answer:
The irony is what you expect is going to happen but something else happens.
I'm not quite sure what this article is about. All the answers seem relevant to the question because I have no context of the article. Could you leave a file of the article?
Ethics or morality. Like an ASPCA commercial.<span />