To Find Empirical Evidence for the Self-Fulfilling Prophecy in Student's

To find empirical evidence for the self-fulfilling prophecy in student's academic performance in 5^th grade,researchers must control for:

A) The 5^th grade teacher's knowledge of the student's 4^th grade work
B) The teacher's tendency to grade the student's 5^th grade work in a way that is consistent with his/her expectations for that student.
C) The student's motivation to do well in 5^th grade.
D) All of the above