A. <script type="text/javascript"> <h1>hello</h1> </script>

B. <script type="text/javascript"> document.write( " <h1>hello</h1>" ) ; </script>

C. <script type="text/javascript"> document.write( "hello" ) ; </script>

D. <script type="text/javascript"> document.write( <h1>hello</h1> ) ; </script>