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’--