After every $$3$$ steps that Pip takes forward, he takes $$2$$ steps backwards. Each step is $$1 $$$$\text{m}$$. Pip starts at one end of a $$100$$ $$\text{m}$$ hall. Pip will first reach the other end after~\uline{~~~~~~~~~~}~steps. 
选项为:A:$$100$$  B:$$488$$  C:$$490$$  D:$$500$$  请回答其中一个选项.