According to the graph above, the population gap between the United States and Japan is __________.
A.
widening
B.
shrinking
C.
unchanging
D.
undetermined
![According to the graph above the population gap between the United States and Japan is A widening B shrinking C unchanging D undetermined class=](https://us-static.z-dn.net/files/db1/770b54f7814641f8385e54cc7695ddfa.png)