Adversity and imperfection are often useful. When individuals and teams study the ways in which adversity arises and their own responses to it, they can acquire insight into areas that might be ripe for improvement.

Which one of the following most closely conforms to the principle above?

A. An actor should not simply react negatively to a mistake made during an important performance. By discovering the root causes of the mistake, the actor can better prepare for future performances.

B. A politician should understand that the votes received on Election Day are not only an endorsement of the politician’s policies. Politicians should also take satisfaction from the fact that voters also respond to the politician’s personality and appearance

C. Altruism is valuable not only for the positive emotions that it brings but also for the opportunities to contribute to society’s overall well being.

D. Even though business can and should be profitable, the primary reward of a career in business is the career itself.

E. Golfers whose game suffers when playing with strangers should take every opportunity to golf with new people. Others will respect their courage, and they will gain the increased self-respect that comes from giving a full effort to something that is difficult for them.