Answer:The answer would be C it adds new information
Explanation:
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A seven letter word containing thousands of letters - a mailbox.
The word mailbox has 7 letters, and it contains thousands of letters - just not the letters from the alphabet, but rather a form of a paper message.
Answer: Answer for A: Can you pass the salt please?
Answer for B: May I use your pencil please?
Answer for C: Will you please close the window?
Answer for D: Is it ok if I borrow your notebook?
Answer for E : Raise your hand and say "Excuse me Ma'am/Sir"
Answer for F: Can you please turn off the lights?
Explanation: