Why did the author's dad ask her to his office? (Is our gain also our loss)

In washwoman who is telling the story

It was this unfathomable longing of the soul to vex itself- to offer violence to its own nature -- to do wrong forthe wrong's sake only - that urged me to continue andfinally to consummate the injury i had inflicted upon theunoffending brute. which theme does this sentence best support? ) a. humans are to struggle against their fate. b. all people have a wicked side. c. humans are meant to rule earth. od. no wrong will go unpunished. submit

Which of these websites would be least likely to provide credible reference material for researching stress?