A total of $$32$$ chickens and rabbits are caged together. If there are $$90$$ legs in total, how many chickens and rabbits are in the cage, respectively? 
选项为:A:$20$; $12$  B:$13$; $19$  C:$18$; $14$  D:$19$; $13$  请回答其中一个选项.