This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anxiety & Stress, Subject name: Psychiatry
An IT employee after taking up the job is feeling guilty, hopeless and not able to concentrate on work. His symptoms started 3 years back when he entered college. Likely diagnosis? 
Select and explain. 
A. Depressive disorder, B. Dysthymia, C. Adjustment disorder, D. Cyclothymia
B: Dysthymia
Answer: B: Dysthymia 
Explanation: ANS. BSymptoms of hopelessness, guilt and loss of concentration for more than 2 years is called dysthymia.