Which of the following is the best example of a flat character.
a; a business owner who is funny, cruel, and serious all at the same time.
b. a beautiful woman who complains about everything despite being given many wonderful gifts in her life
c. an old man who lived most of his life as a cynic, but then becomes an optimist after spending time with a young neighbor
d. a father who challenges his son to reevaluate his life, but then starts to reevaluate his own life