Marcy is six years old. She dreads going to first grade because she worries all day that her parents are going to die while she is at school. She often worries so much that she develops nausea. At home, she clings to her parents, following them everywhere. She is deeply concerned about death and dying and wants her mommy to stay with her when she goes to sleep. She is suffering from disorder.
A. separation anxiety
B. overanxious
C. generalized anxiety
D. conduct