如果$$1\textless{}x\textless{}2$$，则代数式$$\frac{\left\textbar{} x-2 \right\textbar}{x-2}-\frac{\left\textbar{} x-1 \right\textbar}{x-1}+\frac{\left\textbar{} x \right\textbar}{x}$$的值是（~ ）．
选项为:A:$$-1$$  B:$$1$$  C:$$2$$  D:$$3$$  请回答其中一个选项.