Put the digits $$0$$, $$1$$, $$2$$ and $$3$$ in the squares and the sum of the formula is $$15$$. which number can\textquotesingle t "$$0$$" be combined with?  $$\square \square +\square \square = 15 $$. 
选项为:A:$$1$$  B:$$2$$  C:$$3$$  D:$$1$$ or $$2$$  E:$$2$$ or $$3$$  请回答其中一个选项.