Which of the Following Is True of a Macro Virus

Multiple Choice

Which of the following is true of a macro virus?

A) It propagates without human intervention,often sending copies of itself to other computers by email.
B) It allows hackers to destroy hard drives,corrupt files,and steal passwords by recording keystrokes and transmitting them to a server operated by a third party.
C) It inserts unwanted words,numbers,or phrases into documents or alters command functions in an infected document.
D) It abuses email systems to send unsolicited email to large numbers of people.