A ) To ✅
B ) With
C ) At
D ) Of
Explanation:
Rule
The adjective allergic is always followed by the preposition to.
Allergic + to + noun/pronoun
Example
- She is allergic to cats.
- He is allergic to dust.
- I am allergic to peanuts.
Common Mistakes
- ❌ allergic with cats
- ❌ allergic from cats
- ❌ allergic of cats
✅ allergic to cats
Remember the pattern:
- Allergic → TO
- Addicted → TO
- Accustomed → TO
Quick Memory Tip
Allergic = TO (Always)
- ✔ Allergic to dust
- ✔ Allergic to milk
- ✔ Allergic to cats
- ✔ Allergic to pollen