QUESTION $5$

What is Spyware?

A$.$ Software that secretly gathers information about the user without the user's consent or knowledge.

B$.$ Self$-$replicating computer program that penetrates an operating system $($OS$)$ intending to spread malicious code.

C$.$ Malware that is disguised as legitimate software to trick users into installing it onto their systems.

D$.$ Program that infects the Basic Input$/$Output System and can use DOS commands to spread themselves.