What Would the Browser Output If the Following Script Is

Multiple Choice

What would the browser output if the following script is executed
< script type = "text/javascript" >
< !--
Var array = [ [ 1, 2, 3 ], [ 1, 2, 3 ] ];
For ( var i in array )
{
For ( var j in array[ i ] )
Document.write( array[ i ][ j ] + " " ) ;
Document.writeln("< br / >") ;
}
//-- >
< /script >

A) Nothing, the script would generate an error
B) 1 2 3
C) 1 2 3 4 5 6
D) 1 2 3 1 2 3