Which equation or inequality describes real numbers whose distance from $-5$ is less than or equal to $13$ units? 
选项为:A:$\textbar x-5\textbar{} \leq 13$  B:$\textbar x+5\textbar{} \leq 13$  C:$\textbar x-13\textbar{} \leq 5$  D:$\textbar x+13\textbar{} \leq 5$  E:None  请回答其中一个选项.