In Which One of the Following Situations Is a Student

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

A) Jason 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) Kami tells herself that she is getting low grades in math because,like her mom,she just isn't any good at math.
C) Lana thinks she was the last one chosen for the baseball team because she hadn't 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'll have to work extra hard to catch up to her class.