Answer - B - Generalized anxiety disorder would likely be the diagnosis. Note A, C, and E closely related and could have comorbidities, and could be mistaken for one for the other very easily. However, with as many physical symptoms as he demonstrates, GAD would seem the more appropriate overall. While there's likely no silver bullet, given this client the skillset to deal with anxiety, as well as working with a psychiatrist on a medication plan, could help mitigate this client's need to drink.