Martha Believes That If She Doesn't Keep Checking the Stove

Multiple Choice

Martha believes that if she doesn't keep checking the stove in the kitchen,a gas leakage may occur and may cause an explosion.Consequently,Martha keeps checking whether the stove has been turned off over and over again,sometimes over fifty times a day.This practice interferes with her sleep and disturbs her thoughts. In the context of anxiety and anxiety-related disorders,Martha's recurrent thoughts about the possibility of an explosion are called

A) delusions.
B) compulsions.
C) hallucinations.
D) obsessions.