题目3单选题
以下哪种方法可以在top中按内存占用情况由高到低对进程排序A. Within top, press Shift+S, select %MEM, then press q to quitB. Within top, press S and then select %MEMC. Within top, type o and then select memD. Within top, press f, scroll to %MEM, press s to select, and then press q to quit