Which One of the Following Students Is Attributing Success or Failure

Multiple Choice

Which one of the following students is attributing success or failure on a geology test to an internal source and thinks the cause is unstable and controllable?

A) Emily says she did well on her test because she is smart in science.
B) Jane says she failed the test because it was too difficult.
C) Drew says he did well on the test because he studied hard.
D) Joe says he studied hard but failed because he just isn't any good in geology.