题目

下面的XML代码段中,语法正确的是(  )。

 

作答
<!-xml示例-!><?xml version ="1.0" encoding="gb2312"><?xml stylessheet type="text/css" href="mycss.css"?> <mytag>hello world!</mytag>
<?xml version ="1.0" encoding="gb2312"><?xml stylessheet type="text/css"href="mycss.css"?><!-xml示例-!><mytag>hello world!</mytag>
<?xml version ="1.0" encoding="gb2312"><?xml stylessheet type="text/css" href="mycss.css"?<!-xml示例-!<xmltag>hello world!</xmltag>
<!-xml示例-!><?xml version ="1.0" encoding="gb2312"><?xml stylessheet type="text/css" href="mycss.css"?>
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