Well, you don't exactly comment per se. You click "answer" or go to someone else's answer and click reply (not sure the exact labelling but it's something along those lines).
Edit: It says "add your comment to this answer here", not "reply."
True, it should always be in the correct order.
Hope this helps!
Answer:
i would say D just to be polite
Explanation:
Old :
Spiritual, mental wellbeing, health, the past, nobility.
Settled:
Strong, powerful, stability, control (of things), relaxed, conscious.
