Answer A. Innate.
We do not know if it is a trait that all humans are born with (which would be innate), or if it's something that we develop as we grow older.
The other words wouldn't make sense in the place of innate.
A verb is an action. Example: moving, sitting, walking, sleeping.
A bunch of old white guys that gossip, they provide no new light to any situation. Tom Robinson's is it. they are described as busybodies