The Four Boys Below Have All Received as in Algebra

The four boys below have all received As in Algebra I.From the perspective of attribution theory, which one is most likely to sign up for Algebra II?

A) Steve thinks he got an A because he has an older brother who is a math whiz to help him out.
B) Timmy thinks he got an A because he studied very hard.
C) Vern thinks his A is due to his natural intelligence.
D) Willie thinks he got an A because he was lucky on the final exam.His teacher asked questions that he knew and did not ask questions about topics that he did not know.