The author is now convinced that ______.
A.
It is natural for all people to think of the center of the world as being somewhere very familiar to them
B.
there can be only one center of the world and it is where he was born in New England---people in other countries do not know this
C.
there can be only one center of the world and it is the rock pinnacle in the Brazilian village but most Americans do not know this
D.
there are two centers of the world, one in the United States in the cultural sense, and the other in Brazil in the geographical sense