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': 'Thoughts in mind with rhyming rather than with meaning of thoughts - \nSelect and explain. \nA. Flight of ideas, B. Perseveration, C. Circumstantiality, D. Clang association', 'role': 'user'}, {'content': 'Answer: D \nExplanation: In clange association, speech is directed by the sound of a word, rather than its meaning. Words have no logical connection; rhymic may dominate the verbal behavior.', 'role': 'assistant'}]