Which of the Following Is an Example of a Self-Fulfilling

Which of the following is an example of a self-fulfilling prophecy?

A) Margaret says, "I am going to hate this party!" and then has a bad time at the party because she refuses to interact with anyone.
B) Dominique says, "I am going to make the best pie anyone has ever eaten!" and ends up making a bad pie.
C) Sharon says, "I want you to buy the diamond ring right away," and her husband buys it.
D) Chang says, "I am going to buy my mother a sweater for her birthday" but ends up buying her a scarf.