This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cognitive development and defence mechanism, Subject name: Psychiatry
Which of the following is a mature defence mechanism 
Select and explain. 
A. Projection, B. Reaction formation, C. Anticipation, D. Denial
C: Anticipation
Answer: C: Anticipation 
Explanation: Mature defence mechanisms are sublimation, suppression, anticipation, altruism and humour Anticipation is the realistic thinking and planning about future unpleasurable events (Ref: a sho textbook of psychiatry, Niraj Ahuja,7th edition, pg no 210)