Forced thinking, also known as thinking gathering, means that a large number of thoughts that do not belong to the patient appear in the patient's mind. These thoughts are not dominated by the patient's will, but forcibly emerge in the brain. It seems that other people's thoughts run in their own brain under the action of external forces, and most of the contents are disorderly, sometimes even disgusted by the patient
According to the above definition, which of the followings belongs to forced thinking?
D often feels that there are some disorderly ideas in his mind, which he can't control at all