With Regard to a Type of Thinking Pattern Found in Some

With regard to a type of thinking pattern found in some patients with OCD, which of the following would be an example of thought-action fusion?

A) washing one's hands repeatedly to ward off germs
B) taking only very small steps while walking to prevent others from being in danger
C) believing that thinking about an abortion is the moral equivalent of having an abortion
D) saving stacks of old newspapers or magazines because they might be needed some day