When he is nervous, Charles tends to act in an eccentric way. However, he is able to act normally when necessary (e.g., at work). Charles's close friends find his eccentricity amusing and endearing most of the time. Charles may have a:
a. Charles does not have any of these disorders, since his behavior does not impair his social functioning
b. bipolar disorder.
c. generalized anxiety disorder.
d. schizophrenia.
