Question: A 17-year-old patient has feelings of fear and anxiety when she travels on the subway or goes to places such as shopping malls and theaters. These feelings, though distressing, do not cause any physical symptoms. She often stays home to avoid these feelings, so she is losing contact with her friends. Which of the following would further support her diagnosis? Need Assignment Help? A. She has a substance use disorder. B. She frequently worries about everyday problems. C. She has had these symptoms for over three months. D. She has had these symptoms for six months.