Carissa Is Ready to Read the Chapter in Her Textbook

Multiple Choice

Carissa is ready to read the chapter in her textbook for tomorrow. She knows that her smartphone is a distraction for her, so she turns the sound off. A few times while she was reading she wondered if she had any messages, but then thought, "Well, that will be my reward for getting through this. I need to keep reading." Carissa is demonstrating:

A) cognitive control.
B) hypothetical-deductive reasoning.
C) postformal operations.
D) personal fable.