When Scientists Examine Genetic Differences Between the So-Called 'Races' They

When scientists examine genetic differences between the so-called 'races' they see that:

A) humans are divided into different subgroups within a multiregional metapopulation
B) there is more difference between these groups than within them
C) phenotypic difference is unimportant in social terms
D) there is more difference within groups than between them.
E) race exists on a microscopic level.