Which of the Following Statements Is True About Social Anxiety

Which of the following statements is true about social anxiety disorder?

A) Social anxiety disorder is relatively rare, with a lifetime prevalence of about three percent in the United States.
B) Social anxiety disorder tends to develop in early adulthood.
C) Lesser than 30 percent of adults with social anxiety disorder report humiliating experiences that contributed to their symptoms.
D) Social anxiety disorder often co-occurs with mood disorders and other anxiety disorders.