Billy Cannot Stop Thinking About His Presentation That Is Coming

Multiple Choice

Billy cannot stop thinking about his presentation that is coming up. He keeps thinking that he is going to make a fool of himself and that he isn't prepared. The more he thinks these thoughts, the more anxious he gets. What is this an example of?

A) having debilitative thoughts
B) ruminating
C) creating a self-fulfilling prophecy
D) subscribing to the fallacy of perfection