If There Is a Difference in the Location of the Hearth

If there is a difference in the location of the hearth area of a religion as compared to the area of its current practice, a geographer might conclude:

A) this is clear evidence of an ethnic religion.
B) this could be associated with a new universalizing religion.
C) a diaspora may have taken place centuries ago.
D) the hearth area was incorrectly identified.
E) there were barriers to the diffusion of the religion.