Attempts to measure differences in intelligence test scores across gender groups have revealed which of the following?

A. That measured differences in intelligence between men and women are declining and seem to be related to socio-cultural factors.
B. That men are on average significantly more spatially intelligent than women.
C. That gendered differences in intellectual functioning do exist, independently of socio-historical context.
D. That women are on average significantly more linguistically intelligent than men.
E. That both men and women are equally capable in logical-mathematical reasoning tasks.