下列选项中，属于防范恶意代码的加固方法的有（    ）。

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69407' and id < 4493862 and id<>'4493862' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='69407' and id > 4493862 and id<>'4493862' order by id asc limit 5