The correct answer is: A. Macro
A macro virus is a type of computer virus that is written in a macro language, such as Visual Basic for Applications (VBA) or Visual Basic Scripting Edition (VBScript). Macro viruses can be attached to and run from documents created in Microsoft Office applications, such as Word and Excel. When a user opens a document that contains a macro virus, the virus can be executed and can spread to other documents on the user’s computer.
A Trojan horse is a type of malware that disguises itself as a legitimate program in order to trick users into installing it on their computers. Once installed, a Trojan horse can steal personal information, damage files, or even take control of the computer.
A script virus is a type of computer virus that is written in a scripting language, such as JavaScript or VBScript. Script viruses can be spread through email attachments, infected websites, or social media posts. When a user opens an email attachment or visits an infected website, the script virus can be executed and can spread to other computers on the network.
None of the above is not the correct answer.