Tamara's Brain Is Relatively Large,and She Has a Lot of Both

Tamara's brain is relatively large,and she has a lot of both grey and white matter.What is likely about Tamara's level of intelligence

A)  She is likely quite bright, because each of these traits is positively correlated with intelligence. 
B)  It is impossible to predict her intelligence, because there are no systematic biological predictors of intelligence. 
C)  She is likely disabled, because each of these traits is negatively correlated with intelligence. 
D)  It is impossible to estimate her intelligence, because these three traits have divergent relationships with intelligence.