Answer:
Metaphor
Explanation:
A metaphor compares two things by stating that something is something else, such as stating that this person’s face was a map.
To shirk means to avoid doing something.
So, if there are any choices, I'd choose that someone would be tempted to shirk a difficult task, or something you just don't feel like doing.
The answer to your question would be prohibited as it does mean to be forbidden or not allowed to and on this sentence is saying that since it was too noisy it was impossible to study.
Achilles enters the battle to avenge the Patroclus;s death. I am pretty sure this is right, because this is what I am studying right now too! :)