The natural numbers from $$1$$ to $$99$$ inclusive are divided into n groups such that the following conditions hold:  Each number belongs to exactly one group.  Each group contains at least two numbers.  If two numbers belong to the same group, then their sum is not divisible by $$3$$.  What is the smallest number $$n$$ which satisfies the above conditions? ． 
选项为:A:$$3$$  B:$$33$$  C:$$9$$  D:$$66$$  请回答其中一个选项.