In Which One of the Following Situations Is a Student

In which one of the following situations is a student attributing failure to stable and uncontrollable factors?

A) Bart tells himself that he failed the last history test because the substitute teacher constructed a bad test.He expects to do better when his regular teacher returns from maternity leave.
B) Caitlin tells herself that she is getting low grades in math because, like her mom, she just is not any good at math.
C) Pia thinks that she was the last one to be chosen for the baseball team because she had not been practicing enough.She vows to do better next time.
D) Marley believes she is having trouble in music because she has been absent the last two weeks.She knows she will have to work extra hard to catch up to her class.