The root element of an XHTML document must be html, and must contain an __________ attribute to associate it with the XHTML namespace.%!

The root element of an XHTML document must be html, and must contain a

1.	The root element of an XHTML document must be html, and must contain an __________ attribute to associate it with the XHTML namespace.%!
A.	source
B.	src
C.	xmlns
D.	link
Answer» D. link