The correct answer is: C. Merry Xmas
A documented hoax virus is a computer virus that does not actually exist. It is often spread through email or social media, and can cause a great deal of panic and confusion.
The Merry Xmas hoax virus was first reported in 2004. It was said to be a virus that would erase all of the files on a computer on Christmas Day. However, there is no evidence that this virus ever existed.
The McDonalds screensaver hoax was first reported in 2005. It was said that if you opened a certain email attachment, a McDonalds screensaver would be installed on your computer. However, there is no evidence that this email attachment ever existed.
The Alien.worm hoax was first reported in 2006. It was said that a worm called Alien.worm was spreading through email. However, there is no evidence that this worm ever existed.
The Adolph hoax was first reported in 2007. It was said that if you opened a certain email attachment, a picture of Adolf Hitler would be installed on your computer. However, there is no evidence that this email attachment ever existed.
It is important to be aware of hoax viruses so that you can avoid being fooled by them. If you receive an email or see a message about a virus, do not open any attachments or click on any links. Instead, contact your computer security company or a trusted source for information about the virus.