Read the following context and choose the best option to answer the question.
Context: She was a little out of sorts from the drugs , could barely talk , and was feeling some discomfort in her back , neck and mouth . Fortunately though , after about another hour , the drugs wore off , most of the discomfort went away , and she was allowed to leave around 12:30 PM ( 6 hours after arriving at the hospital ) . So now , Edie is resting comfortably in her lounge chair , and I am able to relax somewhat as well . I say somewhat , because this is only the beginning .
Question: What led to the woman being out of it and on drugs to this extent ?
Options: 
A. Someone put drugs in her drink at the bar in an attempt to take advantage of her and she is out of it
B. She has been using illicit substances and has been up for a long time and is experiencing psychosis
C. She has just had surgery and is recovering from the anesthetic and other medications that she was given
D. None of the above choices .


C