Answer:
I think... A siren wailing makes me feel nervous...
Step-by-step explanation:
Irritated isn't such a peculiar feeling to do with sounds, it's kind of rare.
Relaxed makes not a bit of sense when interpreted(unless the person was an officer or framed someone else)
Scared has quite a similar definition to nervous but scared is a bit too amateur.
These are just my thoughts,
I could of course be wrong or right.