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': 'One of the important defence mechanism is - \nSelect and explain. \nA. Alienation, B. Confabulation, C. Repression, D. Suppression', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Repression is the most basic mechanism, therefore it is referred to as primary defence mechanism.\nSuppression (option d) is also is a defence mechanism, but repression is the most important defence mechanism.', 'role': 'assistant'}]