Which of the Following Situations Is the Best Example of Bandura's

Which of the following situations is the best example of Bandura's concept of reciprocal determinism?

A) Jasbir knows that if he cleans up his room, his mother will give him ice cream. He cleans up his room more often than he used to.
B) Reney goes jogging every day because exercising makes her feel more energetic. She jogs 2 miles every day.
C) Mia used to be shy, but she has discovered that she is good at chess, and is now making friends in the chess club at school. She hopes to be this year's chess champion.
D) Arun does all his math homework, and is getting good grades on his math exams this year.