Jasson was selling some old stationery. A set of pens cost $\textbackslash$5x$ and a set of pencil cost $\textbackslash$y$. He then bought some new clothes for $\textbackslash$2x$. What is the amount of money Jasson has now in terms of $x$ and $y$? 
选项为:A:$\textbackslash$(3x+y)$  B:$\textbackslash$(3x-y)$  C:$\textbackslash$(7x-y)$  D:$\textbackslash$(7x+y)$  请回答其中一个选项.