Which of the following is TRUE of the difference between optimists and pessimists?
A.
Pessimists usually blame themselves for their mistakes, while optimists don’t.
B.
Optimists are wealthier than pessimists.
C.
Optimism can help explain the setbacks while pessimism cannot.
D.
For pessimists a failure proves that he’s incapable, but optimists don’t think so.