Okay so what you would is press ctrl+alt+delete and click log out i think but if you have a disk put it in and secure everything trust me i am a computer savage. i hack thing all the time.
I would go straight to the bank and have it reported along with the police.
The answer is D because a toutourial can explain each and everey process
Question 1: Best way is option 1, Worst way is option 4.
Question 2: Best way is option 4, Worst way is option 3