There are $$24$$ four-digit numbers which is formed using each of the digits $$3$$, $$5$$, $$6$$ and $$9$$ once only. When all of these $$24$$ four-digit numbers are put in order from smallest to largest, which one is in the eighth position? 
选项为:A:$$3569$$  B:$$5369$$  C:$$5396$$  D:$$5639$$  E:$$5936$$  请回答其中一个选项.