Which is true regarding the heritability of intelligence?

Which is true regarding the heritability of intelligence?

a. Intelligence is a polygenic trait, and the genes involved have been identified.

b. Heritability cannot be disentangled with environmental influences on IQ.

c. When we isolate biology from context, biological influences are shown to be significant.

d. Differences in IQ among children raised in poorer homes are more likely to be due to genetics.