Not sure why E and not B.
They studied the environment. But then they say that innate mechanisms also play a role.
I don't see why the study of which is more important, is a better answer than solidifying innate mechanisms as a factor first.
tommywallach Wrote:Hey Royai,
Remember, we're looking for a question that STILL needs to be asked, not just something that is true. (B) is true, which means it definitively DOES NOT work in the blank. The blank should be for something we don't yet know for certain (otherwise, why would we need to ask?).
-t