Answer: D.
Explanation: Camware, spyware, and scareware are all types of malware that have different functions. Camware is a type of malware that allows an attacker to remotely access and control the camera on a device. Spyware is a type of malware that secretly monitors a device's activity and sends information back to the attacker. Scareware is a type of malware that displays false warnings or alerts in an attempt to trick the user into taking a certain action, such as purchasing fake antivirus software.