victor charlie, as i remember it the CPL/ATPL questions were in english. Heard that they just changed the questions, roughly a month ago or so.
Good luck with the selection!
The language requirement is apparently not taken too, seriously, as there have been pilots who hardly speek any german at all flying for more than a year. But as Alpine Flyer said, you'll stay abit of an outsider if you don't learn some german. It's not that hard