Which of the Following Would Be Considered a Symptom of an Anxiety

Which of the following would be considered a symptom of an anxiety disorder?

A) Jonah worries that he may not be able to make his car payment this month.
B) Mariah is anxious about an upcoming graduate school interview.
C) Cindra unjustifiably worries uncontrollably,continually,and persistently about a variety of things.
D) Daniel has lost sleep over concerns about his mother,who recently suffered a stroke.