Which one of the following is the best example of a student attributing success to an internal factor? a. nita has just gotten an a on her final exam in world history and is feeling very grateful that the test was so easy. b. renata has just gotten a good grade on her math test and is glad that her mother got her a math tutor. c. polly's teacher has just told her that she will be the group leader for her reading group next quarter. polly is glad her teacher is in a good mood today. d. sue ellen has just gotten a good grade on her geography test. she is proud that she did so well and glad that she studied hard.