单项选择题
A.An area of a country smaller than the nation considers itself to be a nation.
B.A boundary is demarcated around a nation which does not include the people of the nation.
C.A continent is divided into two areas for implicit ideological purposes.
D.Two nations dispute the exact geography of a border based on an ancient historical claim.
E.The history of a nation is erroneously conflated with the character of one particular region.