This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Psychiatry
[{'content': "True statements about obsession \nSelect and explain. \nA. It is the repetitive thoughts or images, B. The patient thought that the images or thoughts are imposed by other's, C. Content about sex or God., D. All", 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. It is repetitive thoughts or images', 'role': 'assistant'}]