Fernando cannot stop worrying that a thief is going to break into his apartment, so he keeps checking the doors to make sure they are locked. fernando's worrisome thoughts about a break-in are a(n) the fact that fernando checks the locks over and over is a(n)

Fernando's worrisome thoughts about a break-in are an obsession. The fact that Fernando checks the locks over and over is a compulsion. Obsession and compulsion are classic symptoms of Obsessive Compulsive Disorder. The obsession is described as a compulsive thought that the person can not stop or eliminate and that generates discomfort. Compulsion is described as a behavior that the person is forced to do to decrease their anxiety and intrusive thinking.

I hope my answer can help you.

Ithink it's c selection but i don't really know.