Answer: A
Punish the defendant and deter others from similar wrongdoing
Explanation:
Punitive damages, or exemplary damages, are damages assessed in order to punish the defendant for outrageous conduct and/or to reform or deter the defendant and others from engaging in conduct similar to that which formed the basis of the lawsuit.
Wikipedia
For Tort to be successful there must be visible damage. In this scenario Opal was clearly injured.