This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Neurotic, Stress Related and Somatoform Disorders, Subject name: Psychiatry
Patients with generalized anxiety disorder have? 
Select and explain. 
A. Delusion, B. Night mares, C. Obsession, D. Worries
D: Worries
Answer: D: Worries 
Explanation: Constant worrying about tril things is impoant feature in patients with GAD. Diagnosing Generalized Anxiety Disorder: More than 3 months of the following characteristic symptoms are necessary for diagnosis of GAD. Free floating anxiety Inability to relax Motor tension and restlessness