55. What does the author mean by saying, “It is arguable that with emotional power, both optimism and pessimism enhance the view of reality with feelings that can lead us to action in a productive way”? (A) It is hard to argue that power of feelings and emotions can be influential to successful action. (B) It is uncertain whether optimism and pessimism have any function in emotion management. (C) It is still a debate that optimism and pessimism can lead the way to success. (D) It is true that optimism and pessimism are strong emotional enhancers functioning productively.