Based on the Majority of Empirical Evidence,what Conclusion Should Be

Based on the majority of empirical evidence,what conclusion should be reached regarding the contributions of genetics and environmental influences to the development of intelligence?

A) Intelligence is the product of some complex combination of genetics and environment.
B) Intelligence is primarily a genetic outcome.
C) Intelligence is primarily a product of environmental circumstances.
D) Given the evidence,intelligence is likely to be the result of something other than genetics or environmental influences.