Results of Factor Analyses on Intelligence Tests Have Revealed That

Results of factor analyses on intelligence tests have revealed that:

A) although verbal and mathematical factors are distinct,they also share something in common,which has led to the conclusion that there is a general mental ability.
B) verbal and mathematical factors are not distinct from each other,which clearly indicates that there is no general mental ability.
C) verbal and mathematical factors are not distinct from each other,which clearly indicates that there is a general mental ability.
D) intelligence tests are culturally biased.