Standardized Tests, Like the Scholastic Aptitude Test (SAT), Are Imperfect

Standardized tests, like the Scholastic Aptitude Test (SAT) , are imperfect predictors of success in university? Under which conditions do these tests have the highest correlation with university grades?

A) If we measure grades from people across the entire range of SAT scores.
B) If we only measure grades from people who attend the top universities.
C) If we only measure grades from people with SAT scores in the average range.
D) If we only measure grades from people who attend the most expensive universities.