It is important to note that ______.
A.
citizenship and residency are the same thing from the viewpoint of the balance of payments statistics
B.
citizenship and residency are almost the same thing from the viewpoint of the balance of payments statistics
C.
citizenship and residency are indeed the same thing from the viewpoint of the balance of payments statistics
D.
citizenship and residency are not necessarily the same thing from the viewpoint of the balance of payments statistics