What Is a "Self-Fulfilling Prophecy of Low Achievement

What is a "self-fulfilling prophecy of low achievement"?

A) A student who believes they will do poorly on exams will do poorly even if a teacher has high expectations.
B) A teacher's low expectations and negative perceptions of students can cause students to have low academic achievement.
C) A teacher's low expectations of self can lead to low achievement in the classroom, which leads to low student test scores.
D) A student with parents who discourage the student from spending time studying after school.