The last sentence,“…Australia and the United States have more in common with each other than either has with most of the rest of the world,” means _.
选项：

A: the United States and Australia have nothing in common with the rest of the world
B: the United States and Australia do not have any main differences
C: the United States and Australia have a lot of differences, just as all countries of the world do
D: the United States and Australia have much more in common with each other than they have with other countries