Answer:
Depends on what you're hiding on your phone. Be honest and direct with him instead of hiding things and making it worse.
Fantasy is a genre of fiction that does not depict the real world.
The answer is A. your last name and page number
In the letter particularly, last name usually put as an introduction before the initial content of the letter, so it will be better if created with header.
For page that contains page number, the header is created to give a pointer on what the page number means/indicates