52. What is the main idea of the above passage? (A) Dealing with reality is an ongoing learning journey regardless of one being optimistic or pessimistic. (B) What is endowed in optimists and pessimists can be equally strong, albeit different, power of emotions. (C) Optimists and pessimists can be constrained in finding the right strengths to deal with tasks. (D) Optimism and pessimism can be functional only under some particular circumstances.