Mario Downloaded Some Company Information into a Spreadsheet So That

Multiple Choice

Mario downloaded some company information into a spreadsheet so that he could work on it at home. When he returned to work, he inserted his memory card into his company computer. Within minutes, all of his hard drive files were corrupted. The most likely cause was a(n) ______.

A) computer virus
B) malfunctioning computer
C) bad operating system
D) intranet failure