Which of the following is TRUE about the difference between a worm and a virus?

Which of the following is TRUE about the difference between a worm and a virus?

A.
Worms are written in assembly while viruses are written with scripting languages.

B.
Viruses hide in the boot record while worms hide within the file system.

C.
Worms self propagate while viruses need human intervention to replicate.

D.
Viruses disable the antivirus update service while worms kill the antivirus process.

Explanation:
http://www.webopedia.com/DidYouKnow/Internet/2004/virus.asp