Compared with 2000, the number of overseas tourists increased fastest in 2005 in the following four countries ().

The fastest growth rate of overseas tourists is

The first one is China, 3 103- 1047, nearly three times.

Followed by South Korea, the ratio is 1008-55 1, nearly double.

Brazil 470-323,

Russia, 2842- 1837, 1.5 times more.

Australia 475-350,

There is no China, there is a second Korea, choose A.