Mikail receives an e-mail message from a friend that contains a .zip file. He opens the file. Later,
Mikail notices that his e-mail application has sent a copy of that .zip file to each person in his
address book, without his commanding it to do so. Which event has most likely occurred?

A.
Mikail e-mail application has malfunctioned and must be replaced.

B.
A hacker has taken overMikail computer.

C.
Mikail has accidentally sent a mass e-mail to everyone in his address book.

D.
A virus has infectedMikail computer.