第$$100$$个数组是{$$100$$，$$200$$，$$300$$}，$$100+200+300=600$$． 
有数组{$$1$$，$$2$$，$$3$$}，{$$2$$，$$4$$，$$6$$}，{$$3$$，$$6$$，$$9$$}，$$\cdots \cdots $$根据规律，第$$100$$个数组的三个数的和是（~ ~ ~ ~）． 
[A] $$600$$ 
[B] $$603$$ 
[C] $$606$$ 
[D] $$609$$ 