After a Cardiologist Shows Your Client Her Angiogram and Explains

After a cardiologist shows your client her angiogram and explains that she has three blocked arteries in her heart, your client becomes visibly agitated. She says, "That's impossible. I've never smoked and I don't have diabetes. You're wrong!" She says she will leave the hospital Against Medical Advice. Her response is an example of:

A) Munchausen syndrome
B) Reaction Formation
C) Denial
D) A conversion disorder
E) Separation anxiety