Read the following context and choose the best option to answer the question.
Context: Dr. S , himself called me and left a message ... right away I knew it was n't good . I called back and he basically said he just does n't know why this is n't working for us . He said he went through my file again all the way back to cycles with my OBGYN .
Question: What is it that the doctor is upset is not working for the narrator ?
Options: 
A. The doctor called to tell her that her menstrual cycles were not being regulated well enough .
B. None of the above choices .
C. The fertility treatments the doctor has been using are not working for the narrator .
D. Her doctor called to tell her that the treatment for plaque psoriasis is not working for her .


C