Research suggests that in a diverse classroom, a teacher's expectations from her students the learning. [CTBT-Sept.-2016-I]

Research suggests that in a diverse classroom, a teacher's expectation

1.	Research suggests that in a diverse classroom, a teacher's expectations from her students the learning. [CTBT-Sept.-2016-I]
A.	have a significant impact on
B.	are the sole determinant of
C.	should not be correlated with
D.	do not have any effect on
Answer» B. are the sole determinant of