A nurse is giving a presentation on mental health promotion at a community center. A participant ...

A nurse is giving a presentation on mental health promotion at a community center. A participant states, My friend tells me I'm depressed because I don't have a lot of energy and have trouble concentrating.
 
  I had to quit my full-time job because I don't seem to have the energy to manage it. But I don't want to kill myself or anything like that. Although more data are needed for diagnosis, the nurse suspects that the client may have which of the following?
  A) Bipolar II disorder
  B) Cyclothymic disorder
  C) Dysthymic disorder
  D) Major depressive disorder