What Would the Browser Display If the Following Script Were

Multiple Choice

What would the browser display if the following script were executed
< script type = "text/javascript" >
< !--
For ( var i = 0; i < 5; i++ )
Document.write( "O" ) ;
//-- >
< /script >

A) Nothing; the script would generate an error
B) OOOO
C) OOOOO
D) OOOOOO