康熙, Kangzi was the second emperor of the Qing dynasty ruling from 5th February, 1661 till 20th December, 1722.
D. friendly and respectful because it is a friendly letter, you don't want to be sarcastic which could come off as rude, and you don't want it to be formal either
When Huck's father shows up, I would presume
Good luck~~
It's really strange that Albert eineine didn't do well in school as a boy