The Correlation Between Children's Test Scores and Their Current or Later

The correlation between children's test scores and their current or later grades in school is strong-about .50 to .60. This means

A) children with high test scores will be more likely to have low grades.
B) children with high test scores will be more likely to have high grades.
C) children with low test scores will be more likely to have high grades.
D) there is no relationship between test scores and grades in school.