Yeah, 'du' pronounced as 'div' throws me every time.

There's a slight difference in tense there. I say that's like "Is your present status that of having closed the door in the past." :)
Those other tenses show up in other parts of the course:
https://www.duolingo.com/skill/sv/Verbs%3A-Past-Perfect

This has to be a question, because the verb comes before the subject. That's the rule in Swedish.