Which of the Following May Represent a Way to Finesse

Which of the following may represent a way to finesse the debate on whether intelligence is "genetically determined"?

A) begin with the assumption that environmental causation is the whole story, and go from there
B) Early enrichment may actually shape the nervous system, and, thereby, change the expression of a gene.
C) concede the importance of the genes for intelligence, and deal with other important factors, such as emotional development
D) end the debate by making the assumption that the genes and the environment are equally important