若$$y$$是正数，且$$x+y\textless{}0$$，则在下列结论中，错误的一个是．  If $$y$$ is a positive number and $$x+y\textless{}0$$, then which of the following conclusions is wrong ？．
选项为:A:$${{x}^{3}}y\textgreater0$$  B:$$x+\left\textbar{} y \right\textbar\textless{}0$$  C:$$\left\textbar{} x \right\textbar+y\textgreater0$$  D:$$x-{{y}^{2}}\textless{}0$$  E:Both A and C  请回答其中一个选项.