Her today's story was merely an exaggeration of what happened before my eyes.

Answer: Option A

Overstatement : the action of stating something too strongly; exaggeration.
Reproduction : the action or process of copying something.
Falsehood : the state of being untrue.
Understatement : the presentation of something as being smaller or less good or important than it really is.
Exaggeration : a statement that represents something as better or worse than it really is.

Synonym of Exaggeration is Overstatement