Neither, choose Audio CD, it's the one at the top of the choices.

Select that playlist & choose burn option.

I haven't used iTunes in Windows for about a year. But here's an older description of how to do it: http://www.gnutellaforums.com/showth...threadid=28600
Post #6 might be more relevant being windows & not mac. Excuse the post is a few years old & burning option is now in a different location.