Javier Constantly Worries About Germs and Contamination,and He Washes His

Javier constantly worries about germs and contamination,and he washes his hands continuously throughout the day.He even gets up during the night to wash his hands.With which of the following disorders is he likely to be diagnosed?

A) Obsessive-compulsive disorder
B) Post-traumatic stress disorder
C) Generalized anxiety disorder
D) Depression