Your present statement has allayed my fears.

Answer: Option A

Relieved : no longer feeling distressed or anxious; reassured.
Obliterated : destroy utterly; wipe out.
Aroused : evoke or awaken (a feeling, emotion, or response).
Eradicated : (of a tree or plant) depicted with the roots exposed.
Allayed : relieve or alleviate (pain or hunger).

Synonym of Allayed is Relieved