If you are going to visit a British person's home, which rules you should obey?
选项：

A: Ask a British person if you can visit their home.
B: Ask what you can bring with you if you are invited with a specific date and time.
C: Don't ask to see more of your British host's house them the downstairs bit that he oe she invites you into.
D: Ask how much their house or any of the items in it cost.