Fernanda is a defense attorney for an insurer. She is working on a claim in which the claimant was injured in an accident and is claiming to have depression and anxiety as a result. Fernanda was able to uncover records of the claimant's treatment for depression and anxiety several years before the accident.

Fernanda's defense should be that
A. The condition existed before the injury.
B. The condition is not related to the accident.
C. The condition is the progression of a preexisting condition.
D. Other causes for the psychological condition exist.