Kirby Is a 19-Year-Old College Student

Kirby is a 19-year-old college student. She is constantly posting photos of herself to social media, giving unsolicited advice to friends, and overestimating her abilities to perform in school. This is most evident after she brags about how she is the best student in her Italian class, but then fails the final. What does this exemplify

A) self-compassion
B) narcissism
C) self-esteem
D) self-efficacy