B. a continuous state of tension, apprehension, and autonomic nervous system arousal
Explanation:
Option B is correct. The generalized anxiety disorder is a disorder that is so severe that it causes interference in the persons daily activities. Some of the signs in a person included worrying greatly, restlessness and also being unable to concentrate. These people worry about a lot of things like money, work, family etc. This disorder can happen at any age. Exposure to stressful situations triggers it.
