Kaguya Needs a Study Guide for an Upcoming Exam but Cannot

Kaguya needs a study guide for an upcoming exam but cannot afford to buy one.She is about to steal one from the university bookstore,even though in general she feels petty theft is wrong.As she is about to walk out of the store with the book,she approaches the glass doors at the entrance,where she sees her reflection.What does research suggest is likely to happen?

A) Kaguya will steal the book.
B) Kaguya will not steal the book.
C) Kaguya will do better on the test after proving to herself how badly she wanted to do well.
D) Kaguya will do worse on the test than if she had not attempted to steal the book.