A nurse is caring for a client who is experiencing excessive anxiety and worry in response to a variety of circumstances, and is unable to control their sense of worry. The nurse should identity that these manifestations indicate which of the following?

A. Agoraphobia is marked by the fear of being in situations where escape may be difficult or help unavailable in case of panic-like symptoms. It is not characterized by generalized worry. B. Generalized anxiety disorder (GAD) is characterized by excessive anxiety and worry that is difficult to control and is associated with a variety of circumstances. Individuals with GAD often experience chronic worry about multiple life domains, without a specific focus. C. Separation anxiety disorder involves excessive fear of being separated from loved ones or familiar environments, which is different from generalized worry about multiple life events. D. Panic disorder involves recurrent panic attacks that are not necessarily related to generalized anxiety or worry about various life situations.