What Is the Best Summary of Implications of Neurobiological Research

Multiple Choice

What is the best summary of implications of neurobiological research on language?

A) There is no doubt that language acquisition is impacted solely by heredity factors.
B) There is no doubt that language acquisition is impacted by both heredity and environmental factors.
C) There is no doubt that language acquisition is impacted solely by environmental factors.
D) There is no doubt that the factors which underlie language acquisition cannot be identified.